Zobrazeno 1 - 8
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pro vyhledávání: '"Iversen, Michael"'
Publikováno v:
Phys. Rev. A 110, 023301 (2024)
The eigenstate thermalization hypothesis describes how isolated many-body quantum systems reach thermal equilibrium. However, quantum many-body scars and Hilbert space fragmentation violate this hypothesis and cause nonthermal behavior. We demonstrat
Externí odkaz:
http://arxiv.org/abs/2404.07825
Publikováno v:
Phys. Rev. A 109, 023310 (2024)
The eigenstate thermalization hypothesis describes how most isolated many-body quantum systems reach thermal equilibrium. However, the hypothesis is violated by phenomena such as many-body localization and quantum many-body scars. In this work, we st
Externí odkaz:
http://arxiv.org/abs/2308.12409
Publikováno v:
Phys. Rev. A 107, 063315 (2023)
Recently, it was shown that fractional quantum Hall states can be defined on fractal lattices. Proposed exact parent Hamiltonians for these states are nonlocal and contain three-site terms. In this work, we look for simpler, approximate parent Hamilt
Externí odkaz:
http://arxiv.org/abs/2301.09971
Autor:
Iversen, Michael, Nielsen, Anne E. B.
Publikováno v:
Phys. Rev. B 107, 205140 (2023)
Isolated quantum many-body systems are often well-described by the eigenstate thermalization hypothesis. There are, however, mechanisms that cause different behavior: many-body localization and quantum many-body scars. Here, we show how one can find
Externí odkaz:
http://arxiv.org/abs/2301.01681
Publikováno v:
Phys. Rev. B 106, 214201 (2022)
Isolated quantum systems typically follow the eigenstate thermalization hypothesis, but there are exceptions, such as many-body localized (MBL) systems and quantum many-body scars. Here, we present the study of a weak violation of MBL due to a specia
Externí odkaz:
http://arxiv.org/abs/2201.00830
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics, Volume 53, Number 15, Published 19 June 2020
We present an analytical study of state transfer in a spin chain in the presence of an inhomogeneous set of exchange coefficients. We initially consider the homogeneous case and describe a method to obtain the energy spectrum of the system. Under cer
Externí odkaz:
http://arxiv.org/abs/1903.10538
Publikováno v:
In The Journal for Nurse Practitioners March 2022 18(3):331-334
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