163 citations
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4 papers · 1 filter
Ab-initio electron transport calculations of carbon based string structures
S. Tongay, R. T. Senger, S. Dag +1
First-principles calculations show that monatomic strings of carbon have high cohesive energy and axial strength, and exhibit stability even at high temperatures. Due to their flex…
Chiral single-wall gold nanotubes
R. T. Senger, S. Dag, S. Ciraci
Based on first-principles calculations we show that gold atoms can form both free-standing and tip-suspended chiral single-wall nanotubes composed of helical atomic strands. Free-s…
Single-particle entanglement
M. Ali Can, Alexander Klyachko, Alexander Shumovsky
Using the approach to quantum entanglement based on the quantum fluctuations of observables, we show the existence of perfect entangled states of a single "spin-1" particle. We giv…
Temperature dependence of the energy of a vortex in a two-dimensional Bose gas
K. K. Rajagopal, B. Tanatar, P. Vignolo +1
We evaluate the thermodynamic critical angular velocity Omega_c(T) for creation of a vortex of lowest quantized angular momentum in a strictly two-dimensional Bose gas at temperatu…