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15 papers · 2 filters
Imaging the Ettingshausen effect and cryogenic thermoelectric cooling in a van der Waals semimetal
T. Völkl, A. Aharon-Steinberg, T. Holder +7
Attaining viable thermoelectric cooling at cryogenic temperatures is of major fundamental and technological interest for novel electronics and quantum materials applications. In-de…
Scattering description of edge states in Aharonov-Bohm triangle chains
Zhi-Hai Liu, O. Entin-Wohlman, A. Aharony +2
Scattering theory has been suggested as a convenient method to identify topological phases of matter, in particular of disordered systems for which the Bloch band-theory approach i…
Quantifying the Chirality of Vibrational Modes in Helical Molecular Chains
Ethan Abraham, Abraham Nitzan
Chiral phonons have been proposed to be involved in various physical phenomena, yet the chirality of molecular normal modes has not been well defined mathematically. Here we examin…
Experimentally Motivated Order of Length Scales Affect Shot Noise
Sourav Manna, Ankur Das
Shot noise at a conductance plateau in a quantum point contact (QPC) can be explained by considering equilibrations at the quantum Hall edges. The indication from recent experiment…
Shot noise as a diagnostic in the fractional quantum Hall edge zoo
Sourav Manna, Ankur Das, Yuval Gefen +1
The filling is the simplest paradigmatic example of a fractional quantum Hall state, which contains counter-propagating edge modes. These modes can be either in the unequi…
Multiple Mechanisms for Emerging Conductance Plateaus in Fractional Quantum Hall States
Sourav Manna, Ankur Das, Yuval Gefen +1
Two-terminal conductance quantization in the context of quantum Hall (QH) physics is intimately related to the current carried by a discrete number of chiral edge modes. Upon pinch…