NAKAZATO, Hiromichi

J-GLOBAL         Last updated: May 6, 2019 at 10:51
 
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Name
NAKAZATO, Hiromichi
E-mail
hiromiciwaseda.jp
URL
http://www.hep.phys.waseda.ac.jp/index-j.html
Affiliation
Waseda University
Section
Faculty of Science and Engineering School of Advanced Science and Engineering
Job title
Professor
Degree
(BLANK)
Research funding number
00180266

Research Areas

 
 

Academic & Professional Experience

 
1985
 - 
1987
Waseda University, Research Assistant
 
1987
 - 
1995
University of the Ryukyus, Research Assistant
 
1995
 - 
2000
Waseda University, Associate Professor
 
2000
   
 
Waseda University, Professor
 

Education

 
 
 - 
1980
Faculty of Science and Engineering, Waseda University
 
 
 - 
1985
Graduate School, Division of Science and Engineering, Waseda University
 

Published Papers

 
Analytically solvable Tex PT-symmetry dynamics from su(1,1)-symmetry problems
R. Grimaudo, A. S. M. de Castro, H. Nakazato and A. Messina
Physical Review A   99(5) 052103-1-052103-7   May 2019   [Refereed]
Andrea Crespi, Francesco V. Pepe, Paolo Facchi, Fabio Sciarrino, Paolo Mataloni, Hiromichi Nakazato, Saverio Pascazio, and Roberto Osellame
Physical Review Letters   122(13) 130401-1-130401-6   Apr 2019   [Refereed]
Grimaudo Roberto, Magalhaes de Castro Antonio Sergio, Nakazato Hiromichi, Messina Antonino
ANNALEN DER PHYSIK   530(12)    Dec 2018   [Refereed]
Takayuki Suzuki, Hiromichi Nakazato, Roberto Grimaudo and Antonino Messina
Scientific Reports   8(1) 17433 (7 pages)   Nov 2018   [Refereed]
Classes of exactly solvable generalized semi-classical Rabi systems
R. Grimaudo, A. de Castro, H. Nakazato and A. Messina
Annalen der Physik (Berlin)   530(12) 1800198 (8 pages)   Nov 2018   [Refereed]
R. Grimaudo, R. Grimaudo, Yu Belousov, H. Nakazato, A. Messina, A. Messina
Annals of Physics   392 242-259   May 2018   [Refereed]
© 2018 Elsevier Inc. The quantum dynamics of a Jˆ2=(jˆ1+jˆ2)2-conserving Hamiltonian model describing two coupled spins jˆ1and jˆ2under controllable and fluctuating time-dependent magnetic fields is investigated. Each eigenspace of Jˆ2is dynamical...
L. A. Markovich, L. A. Markovich, L. A. Markovich, R. Grimaudo, R. Grimaudo, A. Messina, A. Messina, H. Nakazato
Annals of Physics   385 522-531   Oct 2017   [Refereed]
© 2017 Elsevier Inc. A novel recipe for exactly solving in finite terms a class of special differential Riccati equations is reported. Our procedure is entirely based on a successful resolution strategy quite recently applied to quantum dynamical ...
Benedetto Militello, Benedetto Militello, Hiromichi Nakazato, Anna Napoli, Anna Napoli
Physical Review A   96(2) 023862 (8 pages)   Aug 2017   [Refereed]
© 2017 American Physical Society. Two oscillators coupled to a two-level system which in turn is coupled to an infinite number of oscillators (reservoir) are considered, bringing to light the occurrence of synchronization. A detailed analysis clar...
Christian Arenz, Christian Arenz, Daniel Burgarth, Vittorio Giovannetti, Hiromichi Nakazato, Kazuya Yuasa
Quantum Science and Technology   2 024001 (10 pages)   Jun 2017   [Refereed]
© 2017 IOP Publishing Ltd. In a recent work (Burgarth et al 2014, Nat. Commun. 5 5173), it was shown that a series of frequent measurements can project the dynamics of a quantum system onto a subspace in which the dynamics can be more complex. In ...
Daniel Burgarth, Paolo Facchi, Paolo Facchi, Giancarlo Garnero, Giancarlo Garnero, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Kazuya Yuasa
Open Systems and Information Dynamics   24(01) 1750001 (18 pages)   Mar 2017   [Refereed]
R. Grimaudo, A. Messina, A. Messina, H. Nakazato
Physical Review A - Atomic, Molecular, and Optical Physics   94(2) 022108 (13 pages)   Aug 2016   [Refereed]
© 2016 American Physical Society.Two coupled two-level systems placed under external time-dependent magnetic fields are modeled by a general Hamiltonian endowed with a symmetry that enables us to reduce the total dynamics into two independent two-...
Christian Arenz, Daniel Burgarth, Paolo Facchi, Paolo Facchi, Vittorio Giovannetti, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Kazuya Yuasa
Physical Review A - Atomic, Molecular, and Optical Physics   93(6) 062308 (10 pages)   Jun 2016   [Refereed]
© 2016 American Physical Society.On the basis of the quantum Zeno effect, it has been recently shown [D. K. Burgarth, Nat. Commun. 5, 5173 (2014)2041-172310.1038/ncomms6173] that a strong-amplitude-damping process applied locally on a part of a qu...
Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Magdalena Stobińska, Magdalena Stobińska, Magdalena Stobińska, Kazuya Yuasa
Physical Review A - Atomic, Molecular, and Optical Physics   93 023845 (6 pages)   Feb 2016   [Refereed]
© 2016 American Physical Society.In the Hong-Ou-Mandel interferometric scheme, two identical photons that illuminate a balanced beam splitter always leave through the same exit port. Similar effects have been predicted and (partially) experimental...
Davide Orsucci, Daniel Burgarth, Paolo Facchi, Paolo Facchi, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Kazuya Yuasa, Vittorio Giovannetti
Journal of Mathematical Physics   56(12) 122104 (21 pages)   Dec 2015   [Refereed]
© 2015 AIP Publishing LLC.The problem of Hamiltonian purification introduced by Burgarth et al. [Nat. Commun. 5, 5173 (2014)] is formalized and discussed. Specifically, given a set of noncommuting Hamiltonians {h1, . . . , hm} operating on a d-dim...
A. Messina, H. Nakazato
Journal of Physics A: Mathematical and Theoretical   47(44) 445302 (10 pages)   Nov 2014   [Refereed]
© 2014 IOP Publishing Ltd.A simple systematic way of obtaining analytically solvable Hamiltonians for quantum two-level systems is presented. In this method, a time-dependent Hamiltonian and the resulting unitary evolution operator are connected t...
Paolo Facchi, Paolo Facchi, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Francesco V. Pepe, Francesco V. Pepe, Kazuya Yuasa
Physical Review A - Atomic, Molecular, and Optical Physics   89(6) 063625 (9 pages)   Jun 2014   [Refereed]
When a Bose-Einstein condensate is divided into two parts that are subsequently released and overlap, interference fringes are observed. We show here that this interference is typical, in the sense that most wave functions of the condensate, rando...
Tohru Tanaka, Yukihiro Ota, Mitsunori Kanazawa, Gen Kimura, Hiromichi Nakazato, Franco Nori, Franco Nori
Physical Review A - Atomic, Molecular, and Optical Physics   89(1) 012117 (4 pages)   Jan 2014   [Refereed]
Eigenvalues of a density matrix characterize well the quantum state's properties, such as coherence and entanglement. We propose a simple method to determine all the eigenvalues of an unknown density matrix of a finite-dimensional system in a sing...
Tohru Tanaka, Hiromichi Nakazato
Open Systems and Information Dynamics   21(1&2) 1440009 (27 pages)   Jan 2014   [Refereed]
After reviewing the earlier ideas to measure the purity of a quantum system, a new scheme for the measurement of purity is presented, which aims at providing a simple, direct and efficient procedure without resorting to quantum state tomography. T...
Daniel Klaus Burgarth, Paolo Facchi, Paolo Facchi, Vittorio Giovannetti, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Kazuya Yuasa
Nature Communications   5 5173 (6 pages)   Jan 2014   [Refereed]
© 2014 Macmillan Publishers Limited. All rights reserved.The ability of quantum systems to host exponentially complex dynamics has the potential to revolutionize science and technology. Therefore, much effort has been devoted to developing of prot...
Paolo Facchi, Paolo Facchi, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Francesco V. Pepe, Francesco V. Pepe, Golam Ali Sekh, Kazuya Yuasa
International Journal of Quantum Information   12(07n08) 1560019 (15 pages)   Jan 2014   [Refereed]
© 2014 World Scientific Publishing Company.Interference is observed when two independent Bose-Einstein condensates expand and overlap. This phenomenon is typical, in the sense that the overwhelming majority of wave functions of the condensates, un...
Daniel Burgarth, Paolo Facchi, Paolo Facchi, Vittorio Giovannetti, Hiromichi Nakazato, Saverio Pascazio, Saverio Pascazio, Kazuya Yuasa
Physical Review A - Atomic, Molecular, and Optical Physics   88(4) 042107 (5 pages)   Oct 2013   [Refereed]
A connection is established between the non-Abelian phases obtained via adiabatic driving and those acquired via quantum Zeno dynamics induced by repeated projective measurements. In comparison to the adiabatic case, the Zeno dynamics is shown to ...
T. Tanaka, G. Kimura, H. Nakazato
Physical Review A - Atomic, Molecular, and Optical Physics   87(1) 012303 (8 pages)   Jan 2013   [Refereed]
In this paper, we investigate the possibility of measuring the purity of a quantum state (and the overlap between two quantum states) within a minimal model where the measurement device is minimally composed. The minimality is based on the assumpt...
H. Nakazato, T. Tanaka, K. Yuasa, G. Florio, G. Florio, G. Florio, S. Pascazio, S. Pascazio
Physical Review A - Atomic, Molecular, and Optical Physics   85(4) 042316 (7 pages)   Apr 2012   [Refereed]
A scheme for measuring the purity of a quantum system with a finite number of levels is presented. The method makes use of two √swap gates and hinges only on measurements performed on a reference system, prepared in a certain pure state and couple...
B. Leggio, A. Napoli, H. Nakazato, A. Messina
Journal of Russian Laser Research   32 362-371   Jul 2011   [Refereed]
A simple two-qubit model showing quantum phase transitions as a consequence of ground-state-level crossings is studied in detail. Using the system's concurrence as an entanglement measure and heat capacity as a marker of thermodynamical properties...
Rosanna Migliore, Mateo Scala, Anna Napoli, Kazuya Yuasa, Hiromichi Nakazato and Antonino Messina
J. Phys. B   44;7 075503 (9 pages)    Apr 2011   [Refereed]
Bruno Bellomo, Giuseppe Compagno, Hiromichi Nakazato and Kazuya Yuasa
Physical Review A   82;6 060101(R) (4 pages)    Dec 2010   [Refereed]
Daigo Honda, Hiromichi Nakazato and Motoyuki Yoshida
Journal of Mathematical Physics   51(7) 072107   Jul 2010   [Refereed]
Yasser Omar, Yuichiro Hida, Hiromichi Nakazato and Kazuya Yuasa
Quantum Communication and Quantum Networking (Springer Verlag)   36 17-25   Apr 2010   [Refereed]
Kazuya Yuasa, Daniel Burgarth, Vittorio Giovannetti and Hiromichi Nakazato
New Journal of Physics   11;12 123027 (19 pages)    Dec 2009   [Refereed]
Bruno Bellomo, Giuseppe Compagno, Hiromichi Nakazato and Kazuya Yuasa
Physical Review A   80;5 052113 (7 pages)    Nov 2009   [Refereed]
Antonella De Pasquale, Kazuya Yuasa and Hiromichi Nakazato
Physical Review A   80;5 052111 (6 pages)    Nov 2009   [Refereed]
Bruno Bellomo, Giuseppe Compagno, Hiromichi Nakazato and Kazuya Yuasa
Journal of Russian Laser Research   30(5) 451-457   Sep 2009   [Refereed]
Yuichiro Hida, Hiromichi Nakazato, Kazuya Yuasa and Yasser Omar
Physical Review A   80;1 012310 (18 pages)    Jul 2009   [Refereed]
T. Otobe, H. Nakazato, K. Okano, K. Yuasa and N. Hattori
International Journal of Modern Physics C   20(5) 735-745   May 2009   [Refereed]
K. Yuasa, P. Facchi, R. Fazio, H. Nakazato, I. Ohba, S. Pascazio and S. Tasaki
Physical Review B   79(18) 180503   May 2009   [Refereed]
K. Yuasa, K. Okano, H. Nakazato, S. Kashiwada and K. Yoh
Physical Review B   79(7) 075318   Feb 2009   [Refereed]
A Measurement-Based Purification Scheme and Decoherence
H. Nakazato
in PHYSICS OF SELF-ORGANIZATION SYSTEMS (Proc. of the 5th COE Symp., September 2007)   88-105   May 2008   [Refereed]
K. Yuasa, P. Facchi, H. Nakazato, I. Ohba, S. Pascazio and S. Tasaki
Physical Review A   77;4 043623 (18 pages)    Apr 2008   [Refereed]
H. Nakazato, K. Yuasa, B. Militello and A. Messina
Physical Review A   77;4 042114 (12 pages)    Apr 2008   [Refereed]
B. Militello, K. Yuasa, H. Nakazato and A. Messina
Physical Review A   77;4 042109 (5 pages)    Apr 2008   [Refereed]
B. Militello, K. Yuasa, H. Nakazato and A. Messina
Physical Review A   76;4 042110 (10 pages)    Oct 2007   [Refereed]
R. Migliore, K. Yuasa, M. Guccione, H. Nakazato and A. Messina
Physical Review B   76(5) 052501   Aug 2007   [Refereed]
K. Yuasa, K. Okano, H. Nakazato, S. Kashiwada and K. Yoh
Proc. of the 28th Int. Conf. on the Physics of Semiconductors (AIP)   893 1109-1110   Mar 2007   [Refereed]
K. Yuasa, S. Tasaki, P. Facchi, G. Kimura, H. Nakazato, I. Ohba and S. Pascazio
Annals of Physics   322(3) 657-676   Mar 2007   [Refereed]
S. Tasaki, K. Yuasa, P. Facchi, G. Kimura, H. Nakazato, I. Ohba and S. Pascazio
Annals of Physics   322(3) 631-656   Mar 2007   [Refereed]
K. Yuasa and H. Nakazato
Journal of Physics A   40(2) 297-308   Jan 2007   [Refereed]
H. Nakazato, Y. Hida, K. Yuasa, B. Militello, A. Napoli and A. Messina
Physical Review A   74;6 062113 (8 pages)    Dec 2006   [Refereed]
R. Migliore, K. Yuasa, H. Nakazato and A. Messina
Physical Review B   74(10) 104503   Sep 2006   [Refereed]
P. Facchi, H. Nakazato, S. Pascazio and S. Tasaki
International Journal of Modern Physics B   20(11-13) 1408-1420   May 2006   [Refereed]
A Purification Scheme and Entanglement Distillations
H. Nakazato, M. Unoki and K. Yuasa
Quantum Information and Computing (World Sci. Pub., Singapore)   259-273   Mar 2006   [Refereed]
K. Yoh, K. Yuasa and H. Nakazato
Physica E   29(3/4) 674-678   Nov 2005   [Refereed]
K. Yuasa and H. Nakazato
Progress of Theoretical Physics   114(3) 523-531   Sep 2005   [Refereed]
B. Militello, A. Messina and H. Nakazato
Optics and Spectroscopy   99(3) 438-442   Sep 2005   [Refereed]
B. Militello, H. Nakazato and A. Messina
Physical Review A   71;3 032102 (7 pages)    Mar 2005   [Refereed]
P. Facchi, S. Tasaki, S. Pascazio, H. Nakazato, A. Tokuse, and D.A. Lidar
Physical Review A   71;2 022302 (22 pages)    Feb 2005   [Refereed]
Yuasa K, Nakazato H, Unoki M
JOURNAL OF MODERN OPTICS   51;6-7, pp.1005-1009(6-7) 1005-1009   Apr 2004   [Refereed]
Nakazato H, Unoki M, Yuasa K
PHYSICAL REVIEW A   70(1) 1-12303   Jul 2004   [Refereed]
Compagno G, Messina A, Nakazato H, Napoli A, Unoki M, Yuasa K
PHYSICAL REVIEW A   70(5,Pt.A) 1-52316   Nov 2004   [Refereed]
Nakazato H, Takazawa T, Yuasa K
PHYSICAL REVIEW LETTERS   90;6, 060401(6) 060401   Feb 2003   [Refereed]
Nakazato H
FUNDAMENTAL ASPECTS OF QUANTUM PHYSICS   pp.267-283 267-283   2003   [Refereed]
Facchi P, Nakaguro Y, Nakazato H, Pascazio S, Unoki M, Yuasa K
PHYSICAL REVIEW A   68(1) 1-12107   Jul 2003   [Refereed]
Yuasa Kazuya, Nakazato Hiromichi, Takazawa Tomoko
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   72;Suppl. C, pp.34-37 34-37   Nov 2003   [Refereed]
Facchi P, Nakazato H, Pascazio S, Perina J, Rehacek J
PHYSICS LETTERS A   279(3/4) 117-122   Jan 2001   [Refereed]
Facchi P, Nakazato H, Pascazio S
PHYSICAL REVIEW LETTERS   86(13) 2699-2703   Mar 2001   [Refereed]
Yuasa K, Nakazato H
PROGRESS OF THEORETICAL PHYSICS   102(4) 719-727   Oct 1999   [Refereed]
Machida K, Nakazato H, Pascazio S, Rauch H, Yu S
PHYSICAL REVIEW A   60(5) 3448-3460   Nov 1999   [Refereed]
Nakazato H, Pascazio S
JOURNAL OF SUPERCONDUCTIVITY   12(6) 843-849   Dec 1999   [Refereed]
Hradil Z, Nakazato H, Namiki M, Pascazio S, Rauch H
PHYSICS LETTERS A   239(6) 333-338   Mar 1998   [Refereed]
Temporal behavior of quantum systems and quantum zeno effect
Pascazio S, Nakazato H, Namiki M
SYMMETRIES IN SCIENCE X   pp. 337-344 337-344   Aug 1998   [Refereed]
Time symmetry and quantum dephasing
Namiki M, Nakazato H, Pascazio S
SYMMETRIES IN SCIENCE X   pp. 315-323 315-323   Aug 1998   [Refereed]
Time development of a wave packet in potential scattering
Nakazato H
SYMMETRIES IN SCIENCE X   pp. 305-314 305-314   Aug 1998   [Refereed]
A solvable model for quantum mechanical dissipation
Nakazato H, Pascazio S
NEW PERSPECTIVES IN THE PHYSICS OF MESOSCOPIC SYSTEMS   pp. 216-224 216-224   Oct 1997   [Refereed]
Blasi R, Nakazato H, Namiki M, Pascazio S
PHYSICA A   245(1/2) 189-211   Oct 1997   [Refereed]
Nakazato H
FOUNDATIONS OF PHYSICS   27(12) 1709-1723   Dec 1997   [Refereed]
Nakazato H, Namiki M, Pascazio S
INTERNATIONAL JOURNAL OF MODERN PHYSICS B   10(3) 247-295   Jan 1996   [Refereed]
Nakazato H, Namiki M, Pascazio S, Rauch H
PHYSICS LETTERS A   217(4/5) 203-208   Jul 1996   [Refereed]
Nakazato H, Namiki M, Pascazio S, Yamanaka Y
PHYSICS LETTERS A   222(3) 130-136   Oct 1996   [Refereed]
Blasi R, Nakazato H, Namiki M, Pascazio S
PHYSICS LETTERS A   223(5) 320-326   Dec 1996   [Refereed]
Nakazato H, Pascazio S
MODERN PHYSICS LETTERS A   10(40) 3103-3111   Dec 1995   [Refereed]
NAKAZATO H, NAMIKI M, PASCAZIO S, RAUCH H
PHYSICS LETTERS A   199(1-2) 27-32   Mar 1995   [Refereed]
A purification scheme and entanglement distillation
H. Nakazato
ICQI03WU, Tokyo, Japan      2003
Purification and entanglement distillations
H. Nakazato
ICQI03TU, Tokyo, Japan      2003
Proceedings of Waseda International Symposium on Fundamental Physics ---New Perspectives in Quantum Physics---
I. Ohba, Y. Aizawa, T. Daishido, S. Kurihara, K.-I. Maeda, H. Nakazato, S. Tasaki and K. Yuasa
The Physical Society of Japan      2003
To decay or not to decay? Temporal behavior of a quantum system
H. Nakazato
Japan-Italy Joint Forum Waseda Symposium      2001
Quantum Zeno Effect
International Symposium on Advances in Neutron Optics and Related Research Facilities      1996
Effect of fluctuation and dissipation on neutron scattering
International Symposium on Advances in Neutron Optics and Related Research Facilities      1996
Quantum Zeno effect
S. Pascazio, H. Nakazato and M. Namiki
J. Phys. Soc. Jpn. Suppl.A   65    1996
Effect of fluctuation and dissipation on neutron scattering
K. Machida, H. Nakazato, M. Namiki and S. Pascazio
J. Phys. Soc. Jpn. Suppl.A   65    1996

Misc

 
Ohba Ichiro, Nakazato Hiromichi, Zinovjev Gennady, Muroya Shin, Hirano Tetsufumi
Butsuri   66(4) 258-269   Apr 2011
Discovery of the strongly correlated quark-gluon plasma at RHIC is based on a hydrodynamical model, which is a macroscopic picture model introduced by Landau to describe a multiple production phenomena. Field theoretical derivation and the applica...
Yuasa Kazuya, Nakazato Hiromichi
Bussei Kenkyu   82(6) 924-928   Sep 2004
この論文は国立情報学研究所の電子図書館事業により電子化されました。
湯浅 一哉, 中里 弘道, 高沢 智子
Soryushiron Kenkyu   107(5)    Aug 2003
中里 弘道
Soryushiron Kenkyu   71(5) E61-E64   Aug 1985
NAKAZATO H
Soryushiron Kenkyu   67(5)    Aug 1983

Books etc

 
Decoherence and Quantum Measurements
M. Namiki, S. Pascazio and H. Nakazato (Part:Joint Work)
World Sci. Pub. (Singapore)   1998   

Conference Activities & Talks

 
Tanaka T., Kimura G., Nakazato H.
Meeting abstracts of the Physical Society of Japan   26 Mar 2013   
Tanaka T., Kimura G., Nakazato H.
Meeting abstracts of the Physical Society of Japan   24 Aug 2012   
Yoshida Motoyuki, Sekiguchi Takafumi, Nakazato Hiromichi
Meeting abstracts of the Physical Society of Japan   24 Aug 2011   
Yoshida Motoyuki, Sekiguchi Takafumi, Nakazato Hiromichi
Meeting abstracts of the Physical Society of Japan   18 Aug 2010   
Yoshimoto Seiya, Unoki Makoto, Kajikawa Kouhei, Nakazato Hiromichi
Meeting abstracts of the Physical Society of Japan   1 Mar 2010   

Research Grants & Projects

 
Project Year: 2009 - 2012
Among various features that distinguish the quantum world from the classical world, we have focused on “quantum coherence” and “quantum measurement,” and have explored their interesting interplay. We have worked at a variety of subjects, where qua...
Project Year: 2008 - 2010
We have investigated surface reaction of Fe electrode and InAs substrate by thermodynamic calculation. We have fabricated a spin transistors with Fe electrode and verified current oscillation which agreed well with theoretical calculation. We have...
Project Year: 2006 - 2009
The ultimate purpose of this project is to understand in depth the hierarchical structures seen in the theoretical descriptions of physical systems, by faithfully studying the dynamics in the actual physical processes, to extract key notions that ...
Project Year: 2002 - 2005
In this research project, the temporal evolution of quantum systems, especially that under the influence of the action of quantum measurements, has mainly been investigated.
As is well known, the temporal behavior of a quantum system is classified...
Temporal evolution of quantum systems and quantum field theory
Project Year: 2002 - 2002

Others

 
Jun 2011
Dupty Dean of Research Counsil, Waseda University
Sep 2006
Assistant Dean, Faculty of Science and Engineering, Waseda University (-2008 September)