Spintronics group Publications

Spin-Polarized Transport

Spin Relaxation and Decoherence

Spin Quantum Computation

Magnetic Semiconductors

Comprehensive Reviews

Popular Articles on Spintronics

Related Works

Spin-Polarized Transport

S. Das Sarma, J. Fabian, and I. Zutic, Spin-polarized bipolar transport and its applications. To appear in the special issue of the Journal of Superconductivity, in honor of E. I. Rashba. Available at cond-mat/0206540.

J. Fabian, I. Zutic, and S. Das Sarma, Theory of spin-polarized bipolar transport in magnetic p-n junctions. Available at cond-mat/0205340.

I. Zutic, J. Fabian, and S. Das Sarma, Proposal for all-electrical measurement of T_1 in semiconductors. Available at cond-mat/0205177.

I. Zutic, J. Fabian, and S. Das Sarma, Spin-Polarized Transport in Inhomogeneous Magnetic Semiconductors: Theory of Magnetic/Nonmagnetic p-n Junctions. Physical Review Letters 88, 066603 (2002). Available at cond-mat/0106085.

I. Zutic, J. Fabian, and S. Das Sarma, Proposal for a spin-polarized solar battery. Applied Physics Letters 79, 1558 (2001). Available at cond-mat/0104416.

J. Fabian and S. Das Sarma, Spin transport in inhomogeneous magnetic fields: a proposal for Stern-Gerlach-like experiments with conduction electrons. Physical Review B 66, 024436 (2002). Available at cond-mat/0104146.

I. Zutic, J. Fabian, and S. Das Sarma, Spin injection through the depletion layer: a theory of spin-polarized p-n junctions and solar cells. Physical Review B 64 Rapid Comm., R121201 (2001). Available at cond-mat/0103473.

Z.Y. Chen, A. Biswas, I. Zutic, T. Wu, S.B. Ogale, R.L. Greene, and T. Venkatesan, Spin-Polarized Transport Across an LSMO/YBCO Interface: Role of Andreev Bound States. Physical Review B 63, 212508 (2001). Available at cond-mat/0007353.

I. Zutic and O.T. Valls, Tunneling Spectroscopy for Ferromagnet/Superconductor Junctions. Physical Review B 61, 1555 (2000). Available at cond-mat/9902080.

I. Zutic and S. Das Sarma, Spin-Polarized Transport and Andreev Reflection in Semiconductor/Superconductor Hybrid Structures. Physical Review B 60 Rapid Comm., R16322 (1999). Available at cond-mat/9909002.

I. Zutic and O.T. Valls, Spin-Polarized Tunneling in Ferromagnet/Unconventional Superconductor Junctions. Physical Review B 60, 6320 (1999). Available at cond-mat/9808285.

Spin Relaxation and Decoherence

Rogerio de Sousa and S. Das Sarma, Electron spin coherence in semiconductor quantum computers. Available at cond-mat/0203101.

X. Hu, R. de Sousa, and S. Das Sarma, Decoherence and dephasing in spin-based solid state quantum computers. A review on decoherence issues submitted to the proceedings of the 7th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology. An extended version is available at cond-mat/0108339.

J. Fabian and S. Das Sarma, Spin relaxation of conduction electrons. Journal of Vacuum Science and Technology B 17, 1708 (1999). Available at cond-mat/9901170.

J. Fabian and S. Das Sarma, Phonon-induced spin relaxation of conduction electrons in aluminum. Physical Review Letters 83, 1211 (1999). Available at cond-mat/9904140.

J. Fabian and S. Das Sarma, Band structure effects in the spin relaxation of conduction electrons. Journal of Applied Physics 85, 5075 (1999) Available at cond-mat/9812206.

J. Fabian and S. Das Sarma, Spin relaxation of conduction electrons in polyvalent metals: theory and a realistic calculation. Physical Review Letters 81, 5624 (1998). Available at cond-mat/9810375.

Spin Quantum Computation

X. Hu and S. Das Sarma, Overview of spin-based quantum dot quantum computation. To appear in the Proceedings of QD2002. Available at cond-mat/0211358.

X. Hu and S. Das Sarma, Gate errors in solid state quantum computation. To appear in the Proceedings of MQC2. Available at cond-mat/0207457.

B. Koiller, X. Hu, H.D. Drew, and S. Das Sarma, Theory of Micro-Raman Spectroscopy for Entangled Donor States in Silicon. Available at cond-mat/0207455.

X. Hu and S. Das Sarma, Gate errors in solid state quantum computater architectures. Physical Review A 66, 012312 (2002). Available at cond-mat/0202152.

B. Koiller, X. Hu, and S. Das Sarma, Strain effects on silicon donor exchange: Quantum computer architecture considerations. Physical Review B 66, 115201 (2002). Available at cond-mat/0112078.

B. Koiller, X. Hu, and S. Das Sarma, Exchange in silicon based quantum computer architecture. Physical Review Letters 88, 027903 (2002). Available at cond-mat/0106259.

R. de Sousa, X. Hu, and S. Das Sarma, Effect of an inhomogeneous external magnetic field on a quantum dot quantum computer. Physical Review A 64, 042307 (2001). Available at cond-mat/0103410.

X. Hu and S. Das Sarma, Theoretical issues in spin-based quantum dot quantum computation. In Experimental Implementation of Quantum Computation (IQC'01), ed. by R.G. Clark (Rinton, Princeton, 2001). Available at cond-mat/0102019.

X. Hu and S. Das Sarma, Spin-based quantum computation in multielectron quantum dots. Physical Review A 64, 042312 (2001). Available at cond-mat/0101102.

X. Hu, R. de Sousa, and S. Das Sarma, Interplay between Zeeman Coupling and Swap Action in Spin-based Quantum Computer Models: Error Correction in Inhomogeneous Magnetic Fields, Physical Review Letters 86, 918 (2001). Available at cond-mat/0004459.

X. Hu and S. Das Sarma, Hilbert space structure of a solid state quantum computer: two-electron states of a double quantum dot artificial molecule, Physical Review A 61, 062301 (2000). Available at quant-ph/9911080.

Magnetic Semiconductors

E. H. Hwang, A. J. Millis, and S. Das Sarma, Optical Conductivity of Ferromagnetic Semiconductors. Available at cond-mat/0202071.

A. Kaminski and S. Das Sarma, Polaron Percolation in Diluted Magnetic Semiconductors. Available at cond-mat/0201229.

A. Chattopadhyay, A. J. Millis, and S. Das Sarma, Transition Temperature of Ferromagnetic Semiconductors: A Dynamical Mean Field Study. Phys. Rev. Lett. 87, 227202 (2001). Available at cond-mat/0106455.

Comprehensive Reviews

I. Zutic, Novel aspects of spin-polarized transport and spin dynamics. Journal of Superconductivity 15, 5 (2002). Available at cond-mat/0112368.

S. Das Sarma, J. Fabian, X. Hu, and I. Zutic, Spin Electronics and Spin Computation, Solid State Communications 119, 207 (2001). Avaliable at cond-mat/0105247.

S. Das Sarma, J. Fabian, X. Hu, and I. Zutic, Issues, Concepts, and Challenges in Spintronics, IEEE 58th DRC Device Research Conference Digest (Cat. No.00TH8526) p. xii+176, 95-8. Available at cond-mat/0006369.

S. Das Sarma, J. Fabian, X. Hu, and I. Zutic, Theoretical Perspectives on Spintronics and Spin-Polarized Transport, IEEE Transactions on Magnetics 36, 2821 (2000). Available at cond-mat/0002256.

S. Das Sarma, J. Fabian, X. Hu, and I. Zutic, Spintronics: electron spin coherence, entanglement, and transport, Superlattice Microst 27, 289-295 (2000). Available at cond-mat/9912040.

Popular Articles on Spintronics

Research News in Nature Materials 2, 70 (February 2003), Measuring Spin Decay

An article on Toronto Star, July 15, 2002, Spin doctors, by Rachel Ross.

An article on Discover Magazine, Vol 23, No. 1, 2002, Future Tech: Computing with a Twist, by Neil Savage.

S. Das Sarma, Spintronics, American Scientist (Nov/Dec 2001 issue). Avalable here.

An article on New York Times, August 21, 2001, 'Spin' Could Be Quantum Boost for Computers, by Kenneth Chang. Available as a PDF file here.

Related Works

Daw-Wei Wang, S. Das Sarma, E. Demler, and B.I. Halperin Magnetoplasmon Excitations and Spin Density Instabilities in an Integer Quantum Hall System with a Tilted Magnetic Field. Available at cond-mat/0207593.

Eugene Demler, Daw-Wei Wang, S. Das Sarma, and B.I. Halperin Quantum Hall Stripe Phases at Integer Filling Factors. Available at cond-mat/0110126.

A. Chattopadhyay, A. J. Millis, and S. Das Sarma, T=0 Phase Diagram of the Double-Exchange Model. Phys. Rev. B 64, 012416 (2001). Available at cond-mat/0004151.

K. Sengupta, I. Zutic, H.-J. Kwon, V.M. Yakovenko, and S. Das Sarma, Midgap Edge States and Pairing Symmetry of Quasi-One-Dimensional Organic Superconductor. Phys. Rev. B 63, 144531 (2001). Available at cond-mat/0010206.

S. Das Sarma and E. Demler, Bilayer Quantum Hall Systems: Spin-Pseudospin Symmetry Breaking and Quantum Phase Transitions. Solid State Commun. 117, 141 (2001). Invited review in the special issue of Solid State Commun. "Advancing Frontiers of Condensed Matter Sciences". Available at cond-mat/0009372.

S. Das Sarma and E.H. Hwang, Parallel magnetic field induced giant magnetoresistance in low density quasi-two dimensional layers. Phys. Rev. Lett. 84, 5596 (2000). Available at cond-mat/9909452.

V.N. Smolyaninova, X.X. Xie, F.C. Zhang, M.Rajeswari, R.L. Greene, and S. Das Sarma, Metal-Insulator Transition in Colossal Magnetoresistance Materials, Phys. Rev. B 62, 3010 (2000). Available at cond-mat/9903238.

E. Demler, E. Kim, and S. Das Sarma, Spin Symmetry Breaking in Bilayer Quantum Hall Systems, Phys. Rev. B 61, R10567 (2000). Available at cond-mat/9907107.

E. Demler and S. Das Sarma, Spin Bose-glass phase in bilayer quantum Hall systems at v=2. Phys. Rev. Lett. 82, 3895 (1999). Available at cond-mat/9811047.