Zobrazeno 1 - 10
of 123
pro vyhledávání: '"Hayata, Tomoya"'
We propose a novel method to distinguish states of matter by identifying spontaneous symmetry breaking on extended objects, such as vortices, even in the absence of a bulk phase transition. As a specific example, we investigate the phase transition o
Externí odkaz:
http://arxiv.org/abs/2411.03676
Autor:
Hayata, Tomoya, Hidaka, Yoshimasa
We simulate Floquet time-evolution of a truncated SU(3) lattice Yang-Mills theory on a two-leg ladder geometry under open boundary conditions using IBM's superconducting 156-qubit device ibm\_fez. To this end, we derive the quantum spin representatio
Externí odkaz:
http://arxiv.org/abs/2409.20263
Simulating nonequilibirum dynamics of a quantum many-body system is one of the promising applications of quantum computing. We simulate the time evolution of one-dimensional ${\bf Z}_2$ lattice gauge theory on IBM's superconducting 156-qubit device i
Externí odkaz:
http://arxiv.org/abs/2408.10079
Complex quantum many-body dynamics spread initially localized quantum information across the entire system. Information scrambling refers to such a process, whose simulation is one of the promising applications of quantum computing. We demonstrate th
Externí odkaz:
http://arxiv.org/abs/2405.07613
Autor:
Tajima, Hiroyuki, Sekino, Yuta, Inotani, Daisuke, Dohi, Akira, Nagataki, Shigehiro, Hayata, Tomoya
We theoretically investigate non-Hermitian $p$-wave Fermi superfluidity in one-dimensional spin-polarized Fermi gases which is relevant to recent ultracold atomic experiments. Considering an imaginary atom-dimer coupling responsible for the three-bod
Externí odkaz:
http://arxiv.org/abs/2312.15724
We study one-flavor $\mathrm{SU}(2)$ and $\mathrm{SU}(3)$ lattice QCD in ($1+1$) dimensions at zero temperature and finite density using matrix product states and the density matrix renormalization group. We compute physical observables such as the e
Externí odkaz:
http://arxiv.org/abs/2311.11643
Quantum computation often suffers from artificial symmetry breaking. We should strive to suppress the artifact both by theoretical and technological improvements. The theoretical formalism of the lattice fermion with exact chiral symmetry is called t
Externí odkaz:
http://arxiv.org/abs/2309.10507
Publikováno v:
Phys. Rev. D 109, 034501 (2024)
We discuss the quantum computation of dynamical chirality production in lattice gauge theory. Although the chirality of a lattice fermion is complicated in general dimensions, it can be simply formulated on a one-dimensional lattice. The chiral fermi
Externí odkaz:
http://arxiv.org/abs/2309.08820
Autor:
Ozawa, Tomoki, Hayata, Tomoya
Publikováno v:
Phys. Rev. B 109, 085113 (2024)
We introduce a two-dimensional non-Hermitian lattice model with an imaginary magnetic field and elucidate various unique features which are absent in Hermitian lattice models with real magnetic fields. To describe the imaginary magnetic field, we con
Externí odkaz:
http://arxiv.org/abs/2307.14635
Autor:
Hayata, Tomoya, Hidaka, Yoshimasa
We study $\mathrm{SU}(3)$ Yang-Mills theory in $(2+1)$ dimensions based on networks of Wilson lines. With the help of the $q$ deformation, networks respect the (discretized) $\mathrm{SU}(3)$ gauge symmetry as a quantum group, i.e., $\mathrm{SU}(3)_k$
Externí odkaz:
http://arxiv.org/abs/2306.12324