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- Istanbul Technical UniversityTR55 papers
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Showing 2009 · quant-phShow all
3 papers · 2 filters
quant-ph2009★ 24 cited
Non-Hermitian Hamiltonians with a Real Spectrum and Their Physical Applications
Ali Mostafazadeh
We present an evaluation of some recent attempts at understanding the role of pseudo-Hermitian and PT-symmetric Hamiltonians in modeling unitary quantum systems and elaborate on a…
quant-ph2009★ 20 cited
Decoherence in Two-Dimensional Quantum Random Walks with Traps
Meltem Gonulol, Ekrem Aydiner, Ozgur E. Mustecaplioglu
Quantum random walk in a two-dimensional lattice with randomly distributed traps is investigated. Distributions of quantum walkers are evaluated dynamically for the cases of Hadama…
quant-ph2009★ 78 cited
Resonance Phenomenon Related to Spectral Singularities, Complex Barrier Potential, and Resonating Waveguides
Ali Mostafazadeh
A peculiar property of complex scattering potentials is the appearance of spectral singularities. These are energy eigenvalues for certain scattering states that similarly to reson…