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Green Function Monte Carlo Method for Excited States of Quantum System
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Green Function Monte Carlo Method for Excited States of Quantum System
classification
nucl-th
hep-lathep-thquant-ph
keywords
methodcarloexcitedfunctiongreenmontequantumstates
read the original abstract
A novel scheme to solve the quantum eigenvalue problem through the imaginary-time Green function Monte Carlo method is presented. This method is applicable to the excited states as well as to the ground state of a generic system. We demonstrate the validity of the method with the numerical examples on three simple systems including a discretized sine-Gordon model.
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