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Topics In Quantum Quench And Entanglement, Sinong Liu
Topics In Quantum Quench And Entanglement, Sinong Liu
Theses and Dissertations--Physics and Astronomy
The dissertation includes two parts.
In Part I, we study non-equilibrium phenomena in various models associated with global quantum quench. It is known that local quantities, when subjected to global quantum quench across or approaching critical points, exhibit a variety of universal scaling behaviors at various quench rates. To investigate if similar scaling holds for non-local quantities, we consider the scaling behavior of circuit complexity under quantum quench across the critical massless point in Majorana fermion field theory of the one-dimensional integrable transverse field Ising model and find it obeys such scaling. To investigate if similar scaling holds for non-relativistic …
Time Dependent Holography, Diptarka Das
Time Dependent Holography, Diptarka Das
Theses and Dissertations--Physics and Astronomy
One of the most important results emerging from string theory is the gauge gravity duality (AdS/CFT correspondence) which tells us that certain problems in particular gravitational backgrounds can be exactly mapped to a particular dual gauge theory a quantum theory very similar to the one explaining the interactions between fundamental subatomic particles. The chief merit of the duality is that a difficult problem in one theory can be mapped to a simpler and solvable problem in the other theory. The duality can be used both ways.
Most of the current theoretical framework is suited to study equilibrium systems, or …