Finite-temperature spectrum at the symmetry-breaking linear to zigzag transition

Volume: 103, Issue: 10
Published: Mar 19, 2021
Abstract
We investigate the normal-mode spectrum of a trapped ion chain at the symmetry-breaking linear to zigzag transition and at finite temperatures. For this purpose, we modulate the amplitude of the Doppler cooling laser to excite and measure mode oscillations. The expected mode softening at the critical point, a signature of the second-order transition, is not observed. Numerical simulations show that this is mainly due to the finite temperature of...
Paper Details
Title
Finite-temperature spectrum at the symmetry-breaking linear to zigzag transition
Published Date
Mar 19, 2021
Volume
103
Issue
10
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