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Employment (2)

University of Tsukuba: Tsukuba, Ibaraki, JP

2003-01-01 to present | Associate Professor (Center for Computational Sciences)
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University of Tsukuba

University of Tsukuba: Tsukuba, Ibaraki, JP

2002-01-01 to present | associate professor (Center for computational sciences)
Employment
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Hiroyasu Koizumi

Works (7)

Constrained Hamiltonian dynamics for electrons in magnetic field and additional forces besides the Lorentz force acting on electrons

Journal of Physics A: Mathematical and Theoretical
2024-11-15 | Journal article
DOI: 10.1088/1751-8121/ad8199
Contributors: Hiroyasu Koizumi
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Crossref

Reply to Comment on ‘Reversible superconducting-normal phase transition in a magnetic field: the energy-momentum balance including the velocity field of the Berry connection from many-body wave functions’

Physica Scripta
2024-10-01 | Journal article
DOI: 10.1088/1402-4896/ad72a9
Contributors: Hiroyasu Koizumi
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Crossref

Reversible superconducting-normal phase transition in a magnetic field: The energy-momentum balance including the velocity field of the Berry connection from many-body wave functions

Physica Scripta
2024-01-01 | Journal article
DOI: 10.1088/1402-4896/ad1650
Contributors: Hiroyasu Koizumi
Source: check_circle
Crossref

Neglected U(1) phase in the Schrödinger representation of quantum mechanics and particle number conserving formalisms for superconductivity

Journal of Physics A: Mathematical and Theoretical
2023-11-10 | Journal article
DOI: 10.1088/1751-8121/acff51
Contributors: Hiroyasu Koizumi
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Crossref

Supercurrent and electromotive force generations by the Berry connection from many-body wave functions

Journal of Physics A: Mathematical and Theoretical
2023-05-05 | Journal article
DOI: 10.1088/1751-8121/acc858
Contributors: Hiroyasu Koizumi
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Crossref

Schrödinger representation of quantum mechanics, Berry connection, and superconductivity

Physics Letters A
2022-10 | Journal article
DOI: 10.1016/j.physleta.2022.128367
Contributors: Hiroyasu Koizumi
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Crossref

Possible Occurrence of Superconductivity by the <i>π</i>-flux Dirac String Formation Due to Spin-Twisting Itinerant Motion of Electrons

Symmetry
2020-05 | Journal article | Author
DOI: 10.3390/sym12050776
Contributors: Hiroyasu Koizumi
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Multidisciplinary Digital Publishing Institute
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Peer review (9 reviews for 5 publications/grants)

Review activity for Nanomaterials. (1)
Review activity for Physica status solidi. (1)
Review activity for Physics letters. (5)
Review activity for Symmetry. (1)
Review activity for Zhōngguó wùlǐ xuékān. (1)
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