Search Results - "Sothmann, Björn"

Optimal Quantum Interference Thermoelectric Heat Engine with Edge States by Samuelsson, Peter, Kheradsoud, Sara, Sothmann, Björn

“…We show theoretically that a thermoelectric heat engine, operating exclusively due to quantum-mechanical interference, can reach optimal linear-response…”
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Three-terminal energy harvester with coupled quantum dots by Thierschmann, Holger, Sánchez, Rafael, Sothmann, Björn, Arnold, Fabian, Heyn, Christian, Hansen, Wolfgang, Buhmann, Hartmut, Molenkamp, Laurens W.

“…Capacitively coupled quantum dots can be used to realize a thermoelectric device that decouples the direction of flow of the electrical current from that of…”
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Chiral thermoelectrics with quantum Hall edge states by Sánchez, Rafael, Sothmann, Björn, Jordan, Andrew N

“…The thermoelectric properties of a three-terminal quantum Hall conductor are investigated. We identify a contribution to the thermoelectric response that…”
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Heat diode and engine based on quantum Hall edge states by Sánchez, Rafael, Sothmann, Björn, Jordan, Andrew N

“…We investigate charge and energy transport in a three-terminal quantum Hall conductor. The peculiar properties of chiral propagation along the edges of the…”
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Hybrid microwave-cavity heat engine by Bergenfeldt, Christian, Samuelsson, Peter, Sothmann, Björn, Flindt, Christian, Büttiker, Markus

“…We propose and analyze the use of hybrid microwave cavities as quantum heat engines. A possible realization consists of two macroscopically separated…”
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Rectification of thermal fluctuations in a chaotic cavity heat engine by Sothmann, Björn, Sánchez, Rafael, Jordan, Andrew N., Büttiker, Markus

“…We investigate the rectification of thermal fluctuations in a mesoscopic on-chip heat engine. The engine consists of a hot chaotic cavity capacitively coupled…”
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Unconventional superconductivity in double quantum dots by Sothmann, Björn, Weiss, Stephan, Governale, Michele, König, Jürgen

“…The formation of electron pairs is a prerequisite of superconductivity. The fermionic nature of electrons yields four classes of superconducting correlations…”
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High-efficiency thermal switch based on topological Josephson junctions by Sothmann, Björn, Giazotto, Francesco, Hankiewicz, Ewelina M

“…We propose theoretically a thermal switch operating by the magnetic-flux controlled diffraction of phase-coherent heat currents in a thermally biased Josephson…”
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Correlations of heat and charge currents in quantum-dot thermoelectric engines by Sánchez, Rafael, Sothmann, Björn, Jordan, Andrew N, Büttiker, Markus

“…We analyze the noise properties of both electric charge and heat currents as well as their correlations in a quantum-dot based thermoelectric engine. The…”
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Phase-coherent caloritronics with ordinary and topological Josephson junctions by Hwang, Sun-Yong, Sothmann, Björn

“…We provide a brief and comprehensive overview over recent developments in the field of phase-coherent caloritronics in ordinary and topological Josephson…”
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Quantum Nernst engines by Sothmann, Björn, Sánchez, Rafael, Jordan, Andrew N.

“…We theoretically propose Nernst engines based on quantum Hall edge states. We identify a setup that exhibits an extreme asymmetry between the off-diagonal…”
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Powerful energy harvester based on resonant-tunneling quantum wells by Sothmann, Björn, Sánchez, Rafael, Jordan, Andrew N, Büttiker, Markus

“…We analyze a heat engine based on a hot cavity connected via quantum wells to electronic reservoirs. We discuss the output power as well as the efficiency both…”
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Fractional Josephson effect in a quadruple quantum dot by Sothmann, Björn, Li, Jian, Büttiker, Markus

“…A double quantum dot coupled to an s-wave superconductor and subject to an inhomogeneous magnetic field can host a pair of zero-energy Majorana fermions when…”
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Nonlocal thermoelectric detection of interaction and correlations in edge states by Braggio, Alessandro, Carrega, Matteo, Sothmann, Björn, Sánchez, Rafael

“…Nonlocal thermoelectricity is proposed as a direct probe of interactions, nonthermal states, and the effect of correlations in the nonequilibrium heat…”
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Electronic waiting-time distribution of a quantum-dot spin valve by Sothmann, Björn

“…We discuss the electronic waiting-time distribution of a quantum-dot spin valve, i.e., a single-level quantum dot coupled to two ferromagnetic electrodes with…”
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Quantized Electronic Heat Flow by Sothmann, Björn, Flindt, Christian

“…A measurement of the quantum-limited heat flow in an electronic conductor opens a pathway to the nanoscale control of heat currents. [Also see Report by…”
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Phase-controlled heat modulation with Aharonov-Bohm interferometers by Hwang, Sun-Yong, Sothmann, Björn, López, Rosa

“…A heat modulator is proposed based on a voltage-biased Aharonov-Bohm interferometer. Once an electrical bias is applied, Peltier effects give rise to a flow of…”
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Effect of incoherent scattering on three-terminal quantum Hall thermoelectrics by Sánchez, Rafael, Sothmann, Björn, Jordan, Andrew N.

“…A three-terminal conductor presents peculiar thermoelectric and thermal properties in the quantum Hall regime: it can behave as a symmetric rectifier and as an…”
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Probing the exchange field of a quantum-dot spin valve by a superconducting lead by Sothmann, Björn, Futterer, David, Governale, Michele, König, Jürgen

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On-demand thermoelectric generation of equal-spin Cooper pairs by Keidel, Felix, Hwang, Sun-Yong, Trauzettel, Björn, Sothmann, Björn, Burset, Pablo

“…Superconducting spintronics is based on the creation of spin-triplet Cooper pairs in ferromagnet-superconductor (F-S) hybrid junctions. Previous proposals to…”
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