Counting edge modes via dynamics of boundary spin impurities
- URL: http://arxiv.org/abs/2111.11428v2
- Date: Mon, 29 Nov 2021 15:48:36 GMT
- Title: Counting edge modes via dynamics of boundary spin impurities
- Authors: Umar Javed, Jamir Marino, Vadim Oganesyan, Michael Kolodrubetz
- Abstract summary: We study dynamics of the one-dimensional Ising model in the presence of static symmetry-breaking boundary field.
We observe distinct power laws that directly correspond to changes in the number of edge modes as the boundary and bulk magnetic field are varied.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We study dynamics of the one-dimensional Ising model in the presence of
static symmetry-breaking boundary field via the two-time autocorrelation
function of the boundary spin. We find that the correlations decay as a power
law. We uncover a dynamical phase diagram where, upon tuning the strength of
the boundary field, we observe distinct power laws that directly correspond to
changes in the number of edge modes as the boundary and bulk magnetic field are
varied. We suggest how the universal physics can be demonstrated in current
experimental setups, such as Rydberg chains.
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