Organization

quanta magazine photo hotta 2

Hotta, Masahiro 堀田昌寬

Position

Adjunct Fellow

Home Institution

Tohoku University

Email

hotta@tuhep.phys.tohoku.ac.jp

Biography:

Publications

Textbook

“Quantum Information and Physics of Spacetime” (「量子情報と時空の物理」in Japanese), Masahiro Hotta, (ISBN JAN 4910054700145, Science-Sha, Tokyo, 2014). The second edition will be printed in 2019. ∘ “Quantum Mechanics: A Modern Introduction” (「入門現代の量子力学」in Japanese), Masahiro Hotta, (ISBN JAN 9784065239230, Kodansha, Tokyo, 2021).

Essay

“Quantum Energy Teleportation” (「量子エネルギーテレポーテーション」in Japanese), Masahiro Hotta and Go Yusa, Nihon Butsuri Gakkaishi (日本物理学会誌), Physical Society of Japan 69, 613, (2014). ∘ “Information Stored in Correlations and Quantum Information Capsule” (「相関に 記憶される情報と量子情報カプセル」in Japanese), Koji Yamaguchi and Masahiro Hotta, Nihon Butsuri Gakkaishi (日本物理学会誌), Physical Society of Japan 75, 284, (2020).

Full list of published papers

[1] Nonrelativistic Chern-Simons Vortices in magnetic field: Their masses and spins, Z.F. Ezawa, M. Hotta and A. Iwazaki, Phys. Lett. B261, 443 (1991).

[2] Nonrelativistic Chern-Simons Vortex solutions in external magnetic field, Z.F. Ezawa, M. Hotta and A. Iwazaki, Phys. Rev. D44, 452 (1991). [3] Breathing vortex solitons in nonrelativistic Chern-Simons gauge theory, Z.F. Ezawa, M. Hotta and A. Iwazaki, Phys. Rev. Lett. 67, 411 (1991),

[4] Imported symmetry and two breathing modes in Chern-Simons theory with external magnetic field, M. Hotta, Prog. Theor. Phys. 86, 1289 (1991).

[5] Time dependent topological Chern-Simons solitons in external magnetic field, Z.F. Ezawa, M. Hotta and A. Iwazaki, Phys. Rev. D44, 3906 (1991).

[6] Anyon field theory and fractional quantum Hall states, Z.F.Ezawa, M. Hotta and A. Iwazaki, Prog. Theor. Phys. Suppl. 107, 185 (1992).

[7] Imported conformal symmetry of anyons in a uniform magnetic field, T. Awaji and M. Hotta, Int. J. Mod. Phys. B 1229 (1992).

[8] Where has the conformal symmetry of anyons gone in a magnetic field? T. Awaji and M. Hotta, Prog. Theor. Phys. Suppl. 110, 375(1992).

[9] Shock wave geometry with nonvanishing cosmological constant, M. Hotta and M. Tanaka, Class. Quant. Grav. 10, 307 (1993).

[10] Gravitational shock waves and quantum fields in the de Sitter space, M. Hotta and M. Tanaka, Phys. Rev. D47, 3323 (1993).

[11] Quantum back reaction in integrable cosmology, M.Hotta, Y.Suzuki, Y.Tamiya and M.Yoshimura, Phys. Rev. D48, 707 (1993).

[12] Universality of final state in two-dimensional dilaton cosmology, M.Hotta, Y.Suzuki, Y.Tamiya and M.Yoshimura, Prog. Theor. Phys. 90, 689 (1993).

[13] Classical and quantum aspects of dilation force in two dimensions, M. Hotta and M. Yoshimura, Phys. Rev. D48, 4720 (1993).

[14] Wormhole and Hawking radiation, M. Hotta and M. Yoshimura, Prog. Theor. Phys. 91, 181 (1994).

[15] Endpoint of Hawking evaporation: Case of integrable model, M.Hotta and M.Yoshimura, Mod. Phys. Lett. A9, 1617 (1994).

[16] Moving mirror model of Hawking evaporation, M. Hotta, M. Shino and M. Yoshimura, Prog. Theor. Phys. 91, 839 (1994).

[17] Geometric bremsstrahlung in the early universe, T. Futamase, M. Hotta, H. Inoue and M. Yamaguchi, Prog. Theor. Phys. 96, 113 (1996).

[18] Quantum system under periodic perturbation: Effect of environment, M. Hotta, I. Joichi, S. Matsumoto and M. Yoshimura, Phys. Rev. D55, 4614 (1997).

[19] High momentum behavior of geometric bremsstrahlung in the expanding universe, M. Hotta, H. Inoue, I. Joichi and M. Tanaka, Prog. Theor. Phys. 96, 1103 (1996).

[20] A comment on geometric entropy and conical space, M. Hotta, T. Kato and K. Nagata, Class. Quant. Grav. 14, 1917 (1997).

[21] Black holes and two-dimensional dilation gravity, T. Futamase, M. Hotta, and Y. Itoh, Phys. Rev. D57, 1129 (1998).

[22] Dynamical instability of a two-dimensional quantum black hole, Y. Itoh, M. Hotta, M. Morikawa and T. Futamase, Phys. Rev. D57, 516 (1998).

[23] Thermal hair of quantum black holes, Y. Itoh, M. Hotta, T. Futamase and M. Morikawa, Phys. Rev. D58, 64016, 1 (1998).

[24] Composability and generalized entropy, M. Hotta and I. Joichi, Phys. Lett. A262, 302 (1999).

[25] Toward generalized entropy composition with different q indices and H-theorem, K. Sasaki and M. Hotta, J. Phys. Soc. Jap. 69, 3830 (2000). [26] Diffeomorphism on horizon as an asymptotic isometry of Schwarzschild black holes, M.Hotta, K.Sasaki and T.Sasaki, Class. Quant. Grav. 18, 1823 (2001).

[27] Holographic charge excitation on a horizontal boundary, M.Hotta, Phys. Rev. D66, 124021 (2002).

[28] Impossibility of distant indirect measurement of the quantum Zeno effect, M.Hotta and M.Morikawa, Phys. Rev. A69, 052114 (2004).

[29] Complete resolution of the quantum Zeno paradox for outside observers, M.Hotta and M.Morikawa, Phys. Lett. A326, 32 (2004).

[30] Quantum estimation by local observables, M.Hotta and M.Ozawa, Phys. Rev. A70, 022327 (2004).

[31] Ancilla-assisted enhancement of channel estimation for low-noise parameters, M.Hotta, T.Karasawa and M.Ozawa, Phys. Rev. A72, 052334 (2005).

[32] N-body-channel estimation for low-noise parameters, M.Hotta, T.Karasawa and M.Ozawa, J. Phys. A: Math. G.39, 14465 (2006).

[33] Channel estimation theory of low-noise multiple parameters: attainability problem of the Cramer-Rao bounds, M.Hotta and T.Karasawa, Phys. Rev. A78, 012332 (2008).

[34] A fundamental lower bound of actuating energy for broadband photon switching, M.Hotta, Phys. Lett. A372, 3752 (2008).

[35] A protocol for quantum energy distribution, M.Hotta, Phys. Lett. A372, 5671 (2008).

[36] Quantum measurement information as key to energy extraction from local vacuums, M.Hotta, Phys. Rev. D78, 045006 (2008).

[37] Quantum energy teleportation in spin chain systems, M.Hotta, J. Phys. Soc. Jap. 78, 034001 (2009).

[38] Quantum energy teleportation with trapped ions, M. Hotta, Phys. Rev. A80, 042323 (2009).

[39] Controlled Hawking process by quantum energy teleportation, M. Hotta, Phys. Rev. D81, 044025 (2010).

[40] Quantum energy teleportation with an electromagnetic field: Discrete vs. continuous variables, M. Hotta, J. Phys. A: Math. Theor. 43, 105305 (2010).

[41] Energy entanglement relation for quantum energy teleportation, M. Hotta, Phys. Lett. A374, 3416 (2010).

[42] Quantum energy teleportation with a linear harmonic chain, Y. Nambu and M. Hotta, Phys. Rev. A82, 042329 (2010).

[43] Quantum energy teleportation in a quantum Hall system, G. Yusa, W. Izumida and M.Hotta, Phys. Rev. A84, 032336 (2011).

[44] Ground-state entanglement bound for quantum energy teleportation of general spin chain models, M. Hotta, Phys. Rev. A87, 032313 (2013).

[45] Quantum energy teleportation between spin particles in a Gibbs state, M. Frey, K. Gerlach and M. Hotta, J. Phys. A: Math. Theor. 46, 455304 (2013).

[46] Quantum energy teleportation without limit of distance, M. Hotta, J. Matsumoto and G. Yusa. Phys. Rev. A 89, 012311 (2014).

[47] Black hole firewalls require huge energy of measurement, M. Hotta, J. Matsumoto and K. Funo, Phys. Rev. D89, 124023 (2014).

[48] Strong local passivity in finite quantum systems, M. Frey, K. Funo and M. Hotta, Phys. Rev. E 90, 012127 (2014).

[49] Quantum energy teleportation across a three-spin Ising chain in a Gibbs state, J. Trevison and M.Hotta, J. Phys. A: Math. Theor. 48, 175302 (2015). (Chosen as “Insight” paper by editors.)

[50] Partner particles for moving mirror radiation and black hole radiation, M. Hotta, R. Schützhold and W. G. Unruh, Phys. Rev. D 91, 124060 (2015).

[51] The fall of black hole firewall: Natural nonmaximal entanglement for Page curve, M. Hotta and A. Sugita, Prog. Theor. Exp. Phys. 123B04 (2015).

[52] Gravitational memory charges of supertranslation and superrotation on Rindler horizons, M. Hotta, J. Trevison and K. Yamaguchi, Phys. Rev D 94, 083001 (2016).

[53] Transmission and reflection of charge density waves in a quantum hall edge controlled by a metal gate, M. Matsuura, T. Mano, T. Noda, N. Shibata, M. Hotta and G. Yusa, Appl. Phys. Lett. 112, 063104 (2018).

[54] Soft-hair-enhanced entanglement beyond Page curves in a black-hole evaporation qubit model, M. Hotta, Y. Nambu and K. Yamaguchi, Phys. Rev. Lett. 120, 181301 (2018).

[55] Pure state entanglement harvesting in quantum field theory, J. Trevison, K. Yamaguchi and M. Hotta, Prog. Theo. Exp. Phys., Issue 10 (2018).

[56] Quantum information capsules and information delocalization by entanglement in multiple-qubit systems, K. Yamaguchi, N. Watamura, and M. Hotta, Physics Letters A383, 1255 (2019).

[57] Spatially overlapped partners in quantum field theory, J. Trevison, K. Yamaguchi, and M. Hotta, Journal of Physics A: Mathematical and Theoretical vol 52, 125402(2019).

[58] Strong chaos of fast scrambling yields order: Emergence of decoupled quantum information capsules, Koji Yamaguchi and Masahiro Hotta, Phys. Letts. A384, 126078 (2020) .

[59] Quantum information capsule in multiple-qudit systems and continuous-variable systems, Koji Yamaguchi and Masahiro Hotta, Phys. Lett. A384,126447 (2020).

[60] Partner formula for an arbitrary moving mirror in 1+1 dimensions, Takeshi Tomitsuka, Koji Yamaguchi, and Masahiro Hotta, Phys. Rev. D101, 024003 (2020).

[61] A fundamental upper bound for signal to noise ratio of quantum detectors, Ryota Katsube, Koji Yamaguchi, and Masahiro Hotta, Journal of the Physical Society of Japan 89, 054005 (2020).

[62] Duality in the dynamics of Unruh-DeWitt detectors in conformally related spacetimes, Masahiro Hotta, Achim Kempf, Eduardo Martín-Martínez, Takeshi Tomitsuka, Koji Yamaguchi, Phys. Rev. D 101, 085017 (2020).

[63] A Lie algebra based approach to asymptotic symmetries in general relativity, Takeshi Tomitsuka, Koji Yamaguchi and Masahiro Hotta, Class. Quantum Grav. 38 225007 (2021).

[64] Expanding edges of quantum Hall systems in a cosmology language — Hawking radiation from de Sitter horizon in edge modes, Masahiro Hotta, Yasusada Nambu, Yuuki Sugiyama, Kazuhiro Yamamoto and Go Yusa, Phys. Rev. D 105, 105009 (2022).

[65] Deep learning metric detectors in general relativity, Ryota Katsube, Wai-Hong Tam, Masahiro Hotta and Yasusada Nambu, Phys. Rev. D 106, 044051 (2022).