Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Rosen, Y. J."'
Autor:
Alegria, L. D., Tennant, D. M., Chaves, K. R., Lee, J. R. I., O'Kelley, S. R., Rosen, Y. J., DuBois, J L
Publikováno v:
Appl. Phys. Lett. 123, 062601 (2023)
Building usefully coherent superconducting quantum processors depends on reducing losses in their constituent materials. Tantalum, like niobium, has proven utility as the primary superconducting layer within highly coherent qubits. But, unlike Nb, hi
Externí odkaz:
http://arxiv.org/abs/2301.10306
Autor:
Martinez, L. A., Peng, Z., Appelö, D., Tennant, D. M., Petersson, N. Anders, DuBois, J. L, Rosen, Y. J.
In the higher levels of superconducting transmon devices, and more generally charge sensitive devices, $T_2^*$ measurements made in the presence of low-frequency time-correlated $1/f$ charge noise and quasiparticle-induced parity flips can give an un
Externí odkaz:
http://arxiv.org/abs/2211.06531
Autor:
Wang, Haozhi, Singh, S., McRae, C. R. H., Bardin, J. C., Lin, S. -X., Messaoudi, N., Castelli, A. R., Rosen, Y. J., Holland, E. T., Pappas, D. P., Mutus, J. Y.
Superconducting circuit testing and materials loss characterization requires robust and reliable methods for the extraction of internal and coupling quality factors of microwave resonators. A common method, imposed by limitations on the device design
Externí odkaz:
http://arxiv.org/abs/2103.01491
Autor:
Molina-Ruiz, M., Rosen, Y. J., Jacks, H. C., Abernathy, M. R., Metcalf, T. H., Liu, X., Dubois, J. L, Hellman, F.
Publikováno v:
Phys. Rev. Materials 5, 035601 (2021)
Amorphous silicon contains tunneling two-level systems, which are the dominant energy loss mechanisms for amorphous solids at low temperatures. These two-level systems affect both mechanical and electromagnetic oscillators and are believed to produce
Externí odkaz:
http://arxiv.org/abs/2008.07489
Autor:
Christensen, B. G., Wilen, C. D., Opremcak, A., Nelson, J., Schlenker, F., Zimonick, C. H., Faoro, L., Ioffe, L. B., Rosen, Y. J., DuBois, J. L., Plourde, B. L. T., McDermott, R.
Publikováno v:
Phys. Rev. B 100, 140503 (2019)
We have used Ramsey tomography to characterize charge noise in a weakly charge-sensitive superconducting qubit. We find a charge noise that scales with frequency as $1/f^\alpha$ over 5 decades with $\alpha = 1.93$ and a magnitude $S_q(\text{1Hz})= 2.
Externí odkaz:
http://arxiv.org/abs/1905.13712
Autor:
Jaim, H. M. Iftekhar, Aguilar, J. A., Sarabi, B., Rosen, Y. J., Ramanayaka, A. N., Lock, E. H., Richardson, C. J. K., Osborn, K. D.
Publikováno v:
IEEE T. Appl. Supercon. 25 (2015) 1-5
We have investigated properties of superconducting titanium nitride (TiN) films that were sputtered over a large range of RF-induced DC bias voltage applied to the substrate. Films grown with the largest bias voltages contained cubic TiN phases with
Externí odkaz:
http://arxiv.org/abs/1408.3177
We have investigated the vortex dynamics in superconducting thin film devices with non-uniform patterns of artificial pinning centers (APCs). The magneto-transport properties of a conformal crystal and a randomly diluted APC pattern are compared with
Externí odkaz:
http://arxiv.org/abs/1305.5875
Autor:
de Lara, D. Perez, Erekhinsky, M., Gonzalez, E. M., Rosen, Y. J., Schuller, Ivan K., Vicent, J. L.
Publikováno v:
Physical Review B 83 (2011)
Triangular arrays of Ni nanotriangles embedded in superconducting Nb films exhibit unexpected dynamical vortex effects. Collective pinning with a vortex lattice configuration different from the expected fundamental triangular "Abrikosov state" is fou
Externí odkaz:
http://arxiv.org/abs/1105.1444
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