Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Yu-Ichiro Matsushita"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract Quantum approximate optimization algorithm (QAOA) is a promising hybrid quantum-classical algorithm to solve combinatorial optimization problems in the era of noisy intermediate-scale quantum computers. Recently it has been revealed that war
Externí odkaz:
https://doaj.org/article/c7705909b6794f85a070044e827c6523
Publikováno v:
npj Quantum Information, Vol 9, Iss 1, Pp 1-9 (2023)
Abstract This study proposes a nonvariational scheme for geometry optimization of molecules for the first-quantized eigensolver, which is a recently proposed framework for quantum chemistry using probabilistic imaginary-time evolution (PITE). In this
Externí odkaz:
https://doaj.org/article/40b3d9d534f3458da706f349e4d2e88b
Autor:
Mitsuru Sometani, Yusuke Nishiya, Ren Kondo, Rei Inohana, Hongyu Zeng, Hirohisa Hirai, Dai Okamoto, Yu-ichiro Matsushita, Takahide Umeda
Publikováno v:
APL Materials, Vol 11, Iss 11, Pp 111119-111119-5 (2023)
The electric properties of the carbon dangling-bond (PbC) center at a thermally oxidized 4H-SiC(0001)/SiO2 interface are investigated. We experimentally and theoretically determine the energy levels of the associated interface states to estimate the
Externí odkaz:
https://doaj.org/article/eb6b637fdff8419e8711e551267c5199
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p 043048 (2023)
Ground-state preparation is an important task in quantum computation. The probabilistic imaginary-time evolution (PITE) method is a promising candidate for preparing the ground state of the Hamiltonian, which comprises a single ancilla qubit and forw
Externí odkaz:
https://doaj.org/article/f26a5023be1d41a6b6d8dc7ce8485351
Publikováno v:
npj Quantum Information, Vol 7, Iss 1, Pp 1-7 (2021)
Abstract The imaginary-time evolution method is a well-known approach used for obtaining the ground state in quantum many-body problems on a classical computer. A recently proposed quantum imaginary-time evolution method (QITE) faces problems of deep
Externí odkaz:
https://doaj.org/article/2a1286c73f1745b082f552062a7cf304
Publikováno v:
Physical Review Research, Vol 4, Iss 3, p 033121 (2022)
Imaginary-time evolution (ITE) on a quantum computer is a promising formalism for obtaining the ground state of a quantum system. The probabilistic ITE (PITE) exploits measurements to implement nonunitary operations, and it can avoid the restriction
Externí odkaz:
https://doaj.org/article/2f30fd3f0aec4ba686f2640dd750be76
Publikováno v:
AIP Advances, Vol 10, Iss 10, Pp 105014-105014-9 (2020)
The modulations of the electronic band structures of hexagonal (2H, 4H, and 6H) and cubic (3C) SiC under biaxial (0001) and (111) in-plane strain are investigated by using first-principles calculations including spin–orbit coupling effects. We have
Externí odkaz:
https://doaj.org/article/9d31b02966964082853543d5385ddb58
Autor:
Taichi Kosugi, Yu-ichiro Matsushita
Publikováno v:
Physical Review Research, Vol 2, Iss 3, p 033043 (2020)
We propose a scheme for the construction of linear-response functions of an interacting electronic system via quantum phase estimation and statistical sampling on a quantum computer. By using the unitary decomposition of electronic operators for avoi
Externí odkaz:
https://doaj.org/article/dfd3c1527b5b42c38bf40aba47b9803d
Autor:
Shigemasa Suga, Christian Tusche, Yu-ichiro Matsushita, Martin Ellguth, Akinori Irizawa, Jürgen Kirschner
Publikováno v:
New Journal of Physics, Vol 17, Iss 8, p 083010 (2015)
The detailed electronic structure of a layered semiconductor 1T-TiS _2 and its modification in Ni-intercalated Ni _1/3 TiS _2 were studied beyond the full surface Brillouin zone by use of a momentum microscope and He-I light source on their in-situ c
Externí odkaz:
https://doaj.org/article/b55dec14be1546aab482f443b8068f23
