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cond-mat.stat-mech2025
1D fluids with repulsive nearest-neighbour interactions: Low-temperature anomalies
Igor Travěnec, Ladislav Šamaj
A limited number of 2D and 3D materials under a constant pressure contract in volume upon heating isobarically; this anomalous phenomenon is known as the negative thermal expansion…
math-ph2025
Equidistant versus bipartite ground states for 1D classical fluids at fixed particle density
Laurent Bétermin, Ladislav Šamaj, Igor Travěnec
We study the ground-state properties of one-dimensional fluids of classical (i.e., non-quantum) particles interacting pairwisely via a potential, at the fixed particle density .…