Multimagnon quantum many-body scars from tensor operators
Multimagnon quantum many-body scars from tensor operators
复制标题
来自张量算子的多磁子量子多体疤痕
DOI:
10.1103/physrevresearch.4.043006
复制
发表时间:
2022
影响因子:
4.2
通讯作者:
Chandran, Anushya
中科院分区:
文献类型:
--
作者:
Tang, Long-Hin;O'Dea, Nicholas;Chandran, Anushya
We construct a family of three-body spin-Hamiltonians with a superextensive set of infinitely long-lived multimagnon states. A magnon in each such state carries either quasimomentum zero or fixed, and energy. These multimagnon states provide an archetypal example of quantum many-body scars: they are eigenstates at finite-energy density that violate the eigenstate thermalization hypothesis, and lead to persistent oscillations in local observables in certain quench experiments. On the technical side, we demonstrate the systematic derivation of scarred Hamiltonians that satisfy a restricted spectrum-generating algebra using an operator basis built out of irreducible tensor operators. This operator basis can be constructed for any spin, spatial dimension, or continuous non-Abelian symmetry that generates the scarred subspace.
登录
查看更多内容
影响因子:
19.6
作者:
Jepsen, Paul Niklas;Lee, Yoo Kyung 'Eunice';Ketterle, Wolfgang
通讯作者:
Ketterle, Wolfgang
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
A. Polychronakos;K. Sfetsos
通讯作者:
K. Sfetsos
影响因子:
64.8
作者:
Bernien, Hannes;Schwartz, Sylvain;Lukin, Mikhail D.
通讯作者:
Lukin, Mikhail D.
DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
R. Nielsen;B. Robinson
通讯作者:
B. Robinson
影响因子:
5.5
作者:
Ana Hudomal;Ivana Vasi'c;N. Regnault;Z. Papi'c
通讯作者:
Z. Papi'c