Peter Samuelsson, Sara Kheradsoud, Björn Sothmann

Slides:



Advertisements
Similar presentations
Separation of neutral and charge modes in one dimensional chiral edge channels
Advertisements

Thermoelectric and thermal rectification properties of quantum dot junctions David M T Kuo 1 and Yia-Chung Chang 2 1:Department of Electrical Engineering,
Kondo Physics from a Quantum Information Perspective
Exploring Topological Phases With Quantum Walks $$ NSF, AFOSR MURI, DARPA, ARO Harvard-MIT Takuya Kitagawa, Erez Berg, Mark Rudner Eugene Demler Harvard.
Photodetachment microscopy in a magnetic field Christophe Blondel Laboratoire Aimé-Cotton, Centre national de la recherche scientifique, université Paris-
Shanhui Fan, Shanshan Xu, Eden Rephaeli
Markus Büttiker University of Geneva The Capri Spring School on Transport in Nanostructures April 3-7, 2006 Scattering Theory of Conductance and Shot Noise.
A. A. Clerk, S. M. Girvin, and A. D. Stone Departments of Applied Physics and Physics, Yale University Q:What characterizes an “ideal” quantum detector?
Displaced-photon counting for coherent optical communication Shuro Izumi.
Chaos and interactions in nano-size metallic grains: the competition between superconductivity and ferromagnetism Yoram Alhassid (Yale) Introduction Universal.
Full counting statistics of incoherent multiple Andreev reflection Peter Samuelsson, Lund University, Sweden Sebastian Pilgram, ETH Zurich, Switzerland.
Scattering theory of conductance and noise Markus Büttiker University of Geneva Multi-probe conductors.
Thermal Enhancement of Interference Effects in Quantum Point Contacts Adel Abbout, Gabriel Lemarié and Jean-Louis Pichard Phys. Rev. Lett. 106,
Activation energies and dissipation in biased quantum Hall bilayer systems at. B. Roostaei [1], H. A. Fertig [2,3], K. J. Mullen [1], S. Simon [4] [1]
Analyse de la cohérence en présence de lumière partiellement polarisée François Goudail Laboratoire Charles Fabry de l’Institut d’Optique, Palaiseau (France)
The noise spectra of mesoscopic structures Eitan Rothstein With Amnon Aharony and Ora Entin Condensed matter seminar, BGU.
14. April 2003 Quantum Mechanics on the Large Scale Banff, Alberta 1 Relaxation and Decoherence in Quantum Impurity Models: From Weak to Strong Tunneling.
Visibility of current and shot noise in electrical Mach-Zehnder and Hanbury Brown Twiss interferometers V. S.-W. Chung(鐘淑維)1,2, P. Samuelsson3 ,and.
Motivati on. Energy and Nanotechnology Gang Chen Rohsenow Heat and Mass Transfer Laboratory Mechanical Engineering Department Massachusetts Institute.
Activation energies and dissipation in biased quantum Hall bilayer systems at. B. Roostaei [1,2], H. A. Fertig [3,4], K. J. Mullen [2], S. Simon [5] [1]
© 2010 Eric Pop, UIUCECE 598EP: Hot Chips Conductance Quantization One-dimensional ballistic/coherent transport Landauer theory The role of contacts Quantum.
Thermoelectrics: Reversibility and Efficiency at Maximum power
Markus Büttiker University of Geneva Haifa, Jan. 12, 2007 Mesoscopic Capacitors.
The noise spectra of mesoscopic structures Eitan Rothstein With Amnon Aharony and Ora Entin University of Latvia, Riga, Latvia.
Quantum thermodynamics: Thermodynamics at the nanoscale
MIPD Small-scale energy harvesting device LIUJIN.
Computational Solid State Physics 計算物性学特論 第9回 9. Transport properties I: Diffusive transport.
Picosecond needs for phonon dynamics in nanoscience / energy science Yuelin Li, X-ray Science Division, Argonne National Laboratory.
Dynamic response of a mesoscopic capacitor in the presence of strong electron interactions Yuji Hamamoto*, Thibaut Jonckheere, Takeo Kato*, Thierry Martin.
Radiation induced photocurrent and quantum interference in n-p junctions. M.V. Fistul, S.V. Syzranov, A.M. Kadigrobov, K.B. Efetov.
© Copyright National University of Singapore. All Rights Reserved. ENHANCING THERMOELECTRIC EFFICIENCY FOR NANOSTRUCTURES AND QUANTUM DOTS Jian-Sheng Wang.
Optical Filter 武倩倩 Outline Introduction to silicon photonics Athermal tunable silicon optical filter Working principle Fabricated device Experiments.
Berry Phase Effects on Electronic Properties
Modeling thermoelectric properties of TI materials: a Landauer approach Jesse Maassen and Mark Lundstrom Network for Computational Nanotechnology, Electrical.
T. K. T. Nguyen, M. N. Kiselev, and V. E. Kravtsov The Abdus Salam ICTP, Trieste, Italy Effect of magnetic field on thermoelectric coefficients of a single.
Electron-Phonon Interaction and Disorder: Nanoscale Interference in Transport Phenomena Andrei Sergeyev, SUNY at Buffalo, DMR Thermomagnetic vortex.
Quantum pumping and rectification effects in interacting quantum dots Francesco Romeo In collaboration with : Dr Roberta Citro Prof. Maria Marinaro University.
Quantum interferometric visibility as a witness of general relativistic proper time Bhubaneswar, 21 st December 2011 M. Zych, F. Costa, I. Pikovski, Č.
Cold Melting of Solid Electron Phases in Quantum Dots M. Rontani, G. Goldoni INFM-S3, Modena, Italy phase diagram correlation in quantum dots configuration.
Unraveling Entanglement O. Brodier M. Busse, C. Viviescas, A. R. R. Carvalho, A. Buchleitner M.P.I.P.K.S. Nöthnitzer Str. 38, D DRESDEN, ALLEMAGNE.
Nonlinear Optical Response of Nanocavities in Thin Metal Films Yehiam Prior Department of Chemical Physics Weizmann Institute of Science With Adi Salomon.
Mesoscopic physics and nanotechnology
Charge pumping in mesoscopic systems coupled to a superconducting lead
Hidden topological order in one-dimensional Bose Insulators Ehud Altman Department of Condensed Matter Physics The Weizmann Institute of Science With:
Distillation and determination of unknown two-qubit entanglement: Construction of optimal witness operator Heung-Sun Sim Physics, KAIST ESF conference:
Basics of edge channels in IQHE doing physics with integer edge channels studies of transport in FQHE regime deviations from the ‘accepted’ picture Moty.
Thermal and electrical quantum Hall effects in ferromagnet — topological insulator — ferromagnet junction V. Kagalovsky 1 and A. L. Chudnovskiy 2 1 Shamoon.
NTNU, April 2013 with collaborators: Salman A. Silotri (NCTU), Chung-Hou Chung (NCTU, NCTS) Sung Po Chao Helical edge states transport through a quantum.
The Hall States and Geometric Phase
MICRA: status report Exploration of atom-surface forces on a micrometric scale via high sensitivity force measurements with ultracold quantum gases. Objectives:
Electromagnetic interactions in a pair of coupled split ring resonators S. Seetharaman, I. R. Hooper, W. L. Barnes Department of Physics & Astronomy, University.
Presented By: Muhammad Imran PhD student (PIEAS)
Four wave mixing in submicron waveguides
Nanowire Thermoelectrics for Energy Conversion
FORTH-experiments Nikos Katsarakis, Tamara Gundogdu, Eirini Tsiapa
Quantum Computing from theory to experiments
Measures of Entanglement at Quantum Phase Transitions
Quantum entanglement, Kondo effect, and electronic transport in
Robert Konik, Brookhaven National Laboratory Hubert Saleur,
A. Windhager, M. Suda, C. Pacher, M. Peev, A. Poppe Contact:
Nano for Energy Increased surface area Interface and size effects
HRI Winter School 2015, Allahabad Interferometry in the Quantum Hall Effect Regime Lecture 2: Quantum Electronics Tools exercises Go over equations Naïve.
Tunneling between helical edge states through extended contacts
Carbon Nanotube Diode Design
Ehud Altman Anatoli Polkovnikov Bertrand Halperin Mikhail Lukin
Assa Auerbach, Ilya Finkler, Bert Halperin and Amir Yacoby
Persistent spin current
Motivation.
Status of FEL Physics Research Worldwide  Claudio Pellegrini, UCLA April 23, 2002 Review of Basic FEL physical properties and definition of important.
Brownian gyrator : A Minimal heat engine on the nanoscale
Presentation transcript:

Optimal quantum interference thermo- electric heat engine with edge states Peter Samuelsson, Sara Kheradsoud, Björn Sothmann APCTP-KIAS Workshop on Motors and Engines June 2018 P. Samuelsson, S. Kheradsoud, B. Sothmann, Phys. Rev. Lett. 118, 256801 (2017) .

Outline Thermoelectrics and edge state transport Heat to electric energy conversion Mesoscopic and nanoscale thermoelectrics Edge state thermoelectrics Coherent thermoelectrics Coherence enhanced performance. Optimal performance. Double-slit interferometer. Close-to-optimal edge state implementation Mach Zehnder interferometer with side-coupled dot. Transmission properties, power and efficiency. Close-to-optimal performance.

Outline Thermoelectrics and edge state transport Heat to electric energy conversion Mesoscopic and nanoscale thermoelectrics Edge state thermoelectrics Coherent thermoelectrics Coherence enhanced performance. Optimal performance. Double-slit interferometer. Close-to-optimal edge state implementation Mach Zehnder interferometer with side-coupled dot. Transmission properties, power and efficiency. Close to optimal performance.

Heat to electric energy conversion Thermoelectric heat engine Semiconductor thermocouple Grand idea: Conversion of waste heat to electric energy Figure of merit Heremans et al., Nat. Nano. 2013 Going nano Hicks, Dresselhaus, PRB 1993 Low dimensionality Size quantization Strongly energy dependent transport

Nanoscale thermoelectric heat engines Multi terminal heat engines Roche et al., Nat. Comm. 2015 Properties Separated heat and electric current flows Rectification of fluctuations Thierschmann et al., Nat. Nano. 2015

Edge state thermoelectrics Edge state transport, integer quantum Hall effect Quantum Classical Nernst effect Three terminal heat engine Sanchez, Sothmann, Jordan, PRL 2015 Sothmann, Sanchez, Jordan, EPL 2014

Outline Thermoelectrics and edge state transport Heat to electric energy conversion Mesoscopic and nanoscale thermoelectrics Edge state thermoelectrics Coherent thermoelectrics Coherence enhanced performance. Optimal performance. Double-slit interferometer. Close-to-optimal edge state implementation Mach Zehnder interferometer with side-coupled dot. Transmission properties, power and efficiency. Close-to-optimal performance.

Coherence enhanced performance Quantum dots/molecules Mach-Zehnder interferometer Rolleau et al. PRL 2008 Transport through two-level system Heat engine proposal Hofer, Sothmann, PRB 2015 Karlström et al, PRB 2011 Bergfield, Stafford, Nano Lett. 2009

Optimal performance Maximizing output power Efficiency Optimal transmission properties Maximizing output power Step function in energy Efficiency At maximum power Curzon-Ahlborn limited Whitney, PRL 2014 Q1: Can a purely interference based TE-heat engine be optimal?

Double slit interferometer Generic interferometer Scattering amplitude Phase due to Aharanov-Bohm, .. No individual TE-effect Energy independent Energy dependence Scattering probability

Double slit interferometer Conditions for optimal performance Symmetric interferometer, . Sharp phase jump for Q1: Can a purely interference based TE-heat engine be optimal? A1: Yes Q2: Is there a possible experimental realization of such optimal engine (with edge states)?

Outline Thermoelectrics and edge state transport Heat to electric energy conversion Mesoscopic and nanoscale thermoelectrics Edge state thermoelectrics Coherent thermoelectrics Coherence enhanced performance. Optimal performance. Double-slit interferometer. Close-to-optimal edge state implementation Mach Zehnder interferometer with side-coupled dot. Transmission properties, power and efficiency. Close to optimal performance.

Mach-Zehnder with capacitor Properties Quantum point contacts Mesoscopic capacitor Contacts Interferometer Total transmission amplitude Scattering phase at MC

Transmission properties Semitransparent splitters (symmetric condition), Effective phase shift for

Transmission properties Phase dependent symmetries Filter analogy, , Ripple Transition width, roll-off

Thermoelectric scattering theory Linear response theory (non-interacting), charge and heat currents Butcher, 1990 Thermodynamic forces where Onsager matrix where

Power and efficiency Maximum power generated, with respect to voltage Efficiency at maximum power

Close-to-optimal performance Optimal, single mode performance (step function transmission) for Numerical optimization Optimizing over Parameters Values 90% 83%

Show-stoppers? Dephasing Asymmetry Survives for moderate dephasing strength Zero for complete dephasing. Not very sensitive to arm length asymmetry

Conclusions Interference-only thermoelectrics potentially optimal Close-to-optimal performance in edge-state setup Not very sensitive to dephasing and asymmetry P. Samuelsson, S. Kheradsoud, B. Sothmann, Phys. Rev. Lett. In press.