Spin Thermoelectric Effects in a Strongly Correlated Double Quantum Dot System

• Authors: Ł. Karwacki
• Languages of publication: EN

Abstracts

EN

Spin thermoelectric effects through a strongly correlated double quantum dot system embedded in a Aharonov-Bohm ring coupled to two leads with Rashba spin-orbit coupling have been investigated theoretically by means of the finite-U slave-boson technique. This method provides a reliable description of electron transport through quantum dot systems in the low temperature regime T ≪ T_{K}, where T_{K} is the so-called Kondo temperature. Particular emphasis is put on the possibility of the so-called spin Seebeck effect in such a system as a more sensitive probe of the Kondo state.

Keywords

EN

73.23.-b; 73.63.Kv; 72.15.Qm; 85.35.Ds

Discipline

• 72.15.Qm: Scattering mechanisms and Kondo effect(see also 75.20.Hr Local moments in compounds and alloys; Kondo effect, valence fluctuations, heavy fermions in magnetic properties and materials)
• 85.35.Ds: Quantum interference devices
• 73.23.-b: Electronic transport in mesoscopic systems
• 73.63.Kv: Quantum dots

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 2
• Pages: 478-480

Dates

published

2015-02

Contributors

author

Ł. Karwacki

• Faculty of Physics, Adam Mickiewicz University, 61-614 Poznań Poland

References

• [1] K. Uchida, S. Takahashi, K. Harii, J. Ieda, W. Koshibae, K. Ando, S. Maekawa, and E. Saitoh, Nature 455, 778 (2008), doi: 10.1038/nature07321
• [2] G.E.W. Bauer, E. Saitoh, B.J. van Wees, Nature Mater. 11, 391 (2012), doi: 10.1038/nmat3301
• [3] G.D. Mahan, J.O. Sofo, Proc. Natl. Acad. Sci. USA 93, 7436 (1996), doi: 10.1073/pnas.93.15.7436
• [4] P. Trocha, J. Barnaś, Phys. Rev. B 85, 085408 (2012), doi: 10.1103/PhysRevB.85.085408
• [5] R. Świrkowicz, M. Wierzbicki, J. Barnaś, Phys. Rev. B 80, 195409 (2009), doi: 10.1103/PhysRevB.80.195409
• [6] I. Weymann, J. Barnaś, Phys. Rev. B 88, 085313 (2013), doi: 10.1103/PhysRevB.88.085313
• [7] Q.-F. Sun, J. Wang, H. Guo, Phys. Rev. B 71, 165310 (2005), doi: 10.1103/PhysRevB.71.165310
• [8] Ł. Karwacki, P. Trocha, J. Barnaś, J. Phys.: Condens. Matter 25, 505305 (2013), doi: 10.1088/0953-8984/25/50/505305
• [9] Y.S. Liu, X.K. Hong, J.F. Feng, X.F. Yang, Nanoscale Res. Lett. 6, 618 (2011), doi: 10.1186/1556-276X-6-618
• [10] G. Kotliar, A.E. Rückenstein, Phys. Rev. Lett. 57, 1362 (1986), doi: 10.1103/PhysRevLett.57.1362
• [11] H. Haug, A.-P. Jauho, Quantum kinetics and optics of Semiconductors, Springer Verlag, Berlin 1996
• [12] P. Trocha, J. Barnaś, Phys. Rev. B 76, 165432 (2007), doi: 10.1103/PhysRevB.76.165432
• [13] P. Trocha, J. Phys.: Condens. Matter 24, 055303 (2012), doi: 10.1088/0953-8984/24/5/055303
• [14] J.S. Lim, M. Crisan, D. Sánchez, R. Lòpez, I. Grosu, Phys. Rev. B 81, 235309 (2010), doi: 10.1103/PhysRevB.81.23530

Identifiers

DOI

10.12693/APhysPolA.127.478