16 citations · 17 across the 2 of their papers we have counts for
2 papers
math.SP2014★ 16 cited
On the pseudospectrum of the harmonic oscillator with imaginary cubic potential
Radek Novak
We study the Schrödinger operator with a potential given by the sum of the potentials for harmonic oscillator and imaginary cubic oscillator and we focus on its pseudospectral prop…
quant-ph2014★ 1 cited
Revisiting Quantum discord for two-qubit X states: Error bound to Analytical formula
Min Namkung, Jinho Chang, Jaehee Shin +1
In this article, we investigate the error bound of quantum discord, obtained by the analytic formula of Ali et al.[Phys. Rev. A 81(2010), 042105] in case of general X states and by…