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Walking behavior induced by symmetry breaking in a non-Hermitian model with clock anisotropy
Eduard Naichuk, Jeroen van den Brink, Flavio S. Nogueira
A quantum system governed by a non-Hermitian Hamiltonian may exhibit zero temperature phase transitions that are driven by interactions, just as its Hermitian counterpart, raising…
Defect Formation Preempts Dynamical Symmetry Breaking in Closed Quantum Systems
Carmine Ortix, Jorrit Rijnbeek, Jeroen van den Brink
We show that no matter how slowly a quantum-to-classical symmetry breaking process is driven, the adiabatic limit can never be reached in a macroscopic body. Massive defect formati…
Creating and Verifying a Quantum Superposition in a Micro-optomechanical System
D. Kleckner, I. Pikovski, E. Jeffrey +4
Micro-optomechanical systems are central to a number of recent proposals for realizing quantum mechanical effects in relatively massive systems. Here we focus on a particular class…
Schrodinger-Newton equation as a possible generator of quantum state reduction
Jasper van Wezel, Jeroen van den Brink
It has been suggested by Diosi and Penrose that the occurrence of quantum state reduction in macroscopic objects is related to a manifestation of gravitational effects in quantum m…