Please use this identifier to cite or link to this item: https://doi.org/10.1126/science.aao1401
Title: Spectroscopic signatures of localization with interacting photons in superconducting qubits
Authors: Roushan, P
Neill, C
Tangpanitanon, J 
Bastidas, V.M 
Megrant, A
Barends, R
Chen, Y
Chen, Z
Chiaro, B
Dunsworth, A
Fowler, A
Foxen, B
Giustina, M
Jeffrey, E
Kelly, J
Lucero, E
Mutus, J
Neeley, M
Quintana, C
Sank, D
Vainsencher, A
Wenner, J
White, T
Neven, H
Angelakis, D.G 
Martinis, J
Keywords: quantum dot
detection method
electromagnetic field
electron
energy
physics
spectroscopy
superconductivity
two-dimensional modeling
wave spectrum
Article
electron transport
energy
magnetic field
molecular dynamics
molecular interaction
photon
priority journal
simulation
spectroscopy
statistical analysis
superconductivity
Issue Date: 2017
Publisher: American Association for the Advancement of Science
Citation: Roushan, P, Neill, C, Tangpanitanon, J, Bastidas, V.M, Megrant, A, Barends, R, Chen, Y, Chen, Z, Chiaro, B, Dunsworth, A, Fowler, A, Foxen, B, Giustina, M, Jeffrey, E, Kelly, J, Lucero, E, Mutus, J, Neeley, M, Quintana, C, Sank, D, Vainsencher, A, Wenner, J, White, T, Neven, H, Angelakis, D.G, Martinis, J (2017). Spectroscopic signatures of localization with interacting photons in superconducting qubits. Science 358 (6367) : 1175-1179. ScholarBank@NUS Repository. https://doi.org/10.1126/science.aao1401
Abstract: Quantized eigenenergies and their associated wave functions provide extensive information for predicting the physics of quantum many-body systems. Using a chain of nine superconducting qubits, we implement a technique for resolving the energy levels of interacting photons. We benchmark this method by capturing the main features of the intricate energy spectrum predicted for two-dimensional electrons in a magnetic field—the Hofstadter butterfly. We introduce disorder to study the statistics of the energy levels of the system as it undergoes the transition from a thermalized to a localized phase. Our work introduces a many-body spectroscopy technique to study quantum phases of matter. © 2017, American Association for the Advancement of Science. All rights reserved.
Source Title: Science
URI: https://scholarbank.nus.edu.sg/handle/10635/175144
ISSN: 0036-8075
DOI: 10.1126/science.aao1401
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