Recent Publications

"An extrapolation of its present rate of growth reveals that in the not too distant future Physical Review will fill bookshelves at a speed exceeding that of light. This is not forbidden by general relativity since no information is being conveyed."

---Sir Rudolf Peierls

`Spin Pumping:`

S.-H. Chen, C.-R. Chang, and B. K. Nikolic, Inverse quantum spin Hall effect generated by spin pumping from precessing magnetization into a graphene-based topological insulator, arXiv:0904.2192.

S.-H. Chen, C.-R. Chang, J. Q. Xiao, and B. K. Nikolic, Spin and charge pumping in magnetic tunnel junctions with precessing magnetization: A nonequilibrium Green function approach, Phys. Rev. B 79, 054424 (2009).

T. Moriyama, R. Cao, X. Fan, G. Xuan, B. K. Nikolic, Y. Tserkovnyak, J. Kolodzey, and J. Q. Xiao, Tunnel Barrier Enhanced Voltage Signal Generated by Magnetization Precession of a Single Ferromagnetic Layer, Phys. Rev. Lett. 100, 067602 (2008).

`Spin Hall Effect:`

B. K. Nikolic, L. P. Zarbo, and S. Souma, Spin currents in semiconductor nanostructures: A nonequilibrium Green function approach, in Oxford Handbook of Nanoscience and Technology: Frontiers and Advances, edited by A. V. Narlikar and Y. Y. Fu (Oxford University Press, Oxford, 2009).

R. L. Dragomirova, L. P. Zarbo, and B. K. Nikolic, Spin and charge shot noise in mesoscopic spin Hall systems, Europhys. Lett. 84, 37004 (2008).

B. K. Nikolic and L. P. Zarbo, Extrinsically vs. intrinsically driven spin Hall effect in disordered mesoscopic multiterminal bars, Europhys. Lett. 77, 47004 (2007).

B. K. Nikolic, L. P. Zarbo, and S. Souma, Imaging mesoscopic spin Hall flow: Spatial distribution of local spin currents and spin densities in and out of multiterminal spin-orbit coupled semiconductor nanostructures, Phys. Rev. B 73, 075303 (2006).

B. K. Nikolic, L. P. Zarbo, and S. Welack, Transverse spin-orbit force in the spin Hall effect in ballistic semiconductor wires, Phys. Rev. B 72, 075335 (2005).

B. K. Nikolic, S. Souma, L. P. Zarbo, and J. Sinova, Nonequilibrium spin Hall accumulation in ballistic semiconductor nanostructures, Phys. Rev. Lett. 95, 046601 (2005) [additional symmetry relations in linear and non-linear transport regime PDF]

S. Souma and B. K. Nikolic, Spin Hall current driven by quantum interferences in mesoscopic Rashba Rings, Phys. Rev. Lett. 94, 106602 (2005).

B. K. Nikolic, L. P. Zarbo, and S. Souma, Mesoscopic spin Hall effect in multiprobe ballistic spin-orbit coupled semiconductor bridges, Phys. Rev. B 72, 075361 (2005).

`Nanospintronics:`

B. K. Nikolic and R. L. Dragomirova, What can we learn about the dynamics of transported spins by measuring shot noise in spin-orbit-coupled nanostructures?, arXiv:0901.4182, review article to appear in the special issue of Semicond. Sci. Tech. on "The effects of spin-orbit interaction on charge transport" (April 2009).

R. L. Dragomirova and B. K. Nikolic, Shot noise of spin-polarized charge currents as a probe of spin coherence in spin-orbit coupled nanostructures, Phys. Rev. B 75, 085328 (2007).

S. Souma and B. K. Nikolic, Modulating unpolarized current in quantum spintronics: Visibility of spin-interference effects in multichannel Aharonov-Casher mesoscopic rings, Phys. Rev. B 70, 195346 (2004).

B. K. Nikolic and S. Souma, Decoherence of transported spin in multichannel spin-orbit coupled spintronics devices: Scattering approach to spin density matrix from the ballistic to the localized regime, Phys. Rev. B 71, 195328 (2005).

`Graphene Nanoelectronics:`

D. A. Areshkin and B. K. Nikolic, I-V curve signatures of nonequilibrium-driven band gap collapse in magnetically ordered zigzag graphene nanoribbon two-terminal devices, arXiv:0902.4467.

R. L. Dragomirova, D. A. Areshkin, and B. K. Nikolic, Shot noise probing of magnetic ordering in zigzag graphene nanoribbons, arXiv:0810.0002.

L. P. Zarbo and B. K. Nikolic, Spatial distribution of local currents of massless Dirac fermions in quantum transport through graphene nanoribbons, Europhys. Lett. 80, 47001 (2007).

`Quantum Transport in Nanostructures:`

B. K. Nikolic and R. L. Dragomirova, Quantum transparency of Anderson insulator junctions: Statistics of transmission eigenvalues, shot noise, and proximity conductance, Phys. Rev. B 71, 045308 (2005).

`Strongly Correlated Electrons:`

A. N. Tahvildar-Zadeh, J. K. Freericks, and B. K. Nikolic, Thouless energy as a unifying concept for Josephson Junctions tuned through the Mott metal-insulator transition, Phys. Rev. B 73, 184515 (2006).

V. Dobrosavljevic, A. A. Pastor, B. K. Nikolic, Typical medium theory of Anderson localization: A local order parameter approach to strong disorder effects, Europhys. Lett. 62, 76 (2003).

B.K. Nikolic, J.K. Freericks, and P. Miller, Suppression of the "quasiclassical" proximity gap in correlated-metal--superconductor structures, Phys. Rev. Lett. 88, 077002 (2002)

J. K. Freericks, B. K. Nikolic, and P. Miller, Optimizing the speed of a Josephson junction with dynamical mean-field theory, Int. J. Mod. Phys. B 16, 531 (2002).

`Quantum Information:`

B. K. Nikolic and S. Souma, Controlling decoherence of transported quantum spin information in semiconductor spintronics, in Realizing controllable quantum states, edited by H. Takayanagi and J. Nitta
(World Scientific, Singapore, 2005).