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| 001 | 1046964 | ||
| 005 | 20251007202036.0 | ||
| 024 | 7 | _ | |a 10.1103/wbp6-y3vd |2 doi |
| 024 | 7 | _ | |a 2469-9926 |2 ISSN |
| 024 | 7 | _ | |a 2469-9942 |2 ISSN |
| 024 | 7 | _ | |a 2469-9934 |2 ISSN |
| 024 | 7 | _ | |a 10.34734/FZJ-2025-04032 |2 datacite_doi |
| 037 | _ | _ | |a FZJ-2025-04032 |
| 041 | _ | _ | |a English |
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| 100 | 1 | _ | |a Shapiro, Dmitrii |0 P:(DE-Juel1)201370 |b 0 |e Corresponding author |u fzj |
| 245 | _ | _ | |a Digital-analog simulations of Schrödinger cat states in the Dicke-Ising model |
| 260 | _ | _ | |a Woodbury, NY |c 2025 |b Inst. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a The Dicke-Ising model, one of the few paradigmatic models of matter-light interaction, exhibits a superradiant quantum phase transition above a critical coupling strength. However, in natural optical systems, its experimental validation is hindered by a “no-go theorem.” Here, we propose a digital-analog quantum simulator for this model based on an ensemble of interacting qubits coupled to a single-mode photonic resonator. We analyze the system's free-energy landscape using field-theoretical methods and develop a digital-analog quantum algorithm that disentangles qubit and photon degrees of freedom through a parity-measurement protocol. This disentangling enables the emulation of a photonic Schrödinger cat state, which is a hallmark of the superradiant ground state in finite-size systems and can be unambiguously probed through the Wigner tomography of the resonator's field. |
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| 536 | _ | _ | |a Verbundprojekt: Digital-Analoge Quantencomputer (DAQC) - Teilvorhaben: DAQC Kontrolle, Kalibrierung und Charakterisierung (13N15688) |0 G:(BMBF)13N15688 |c 13N15688 |x 2 |
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| 700 | 1 | _ | |a Wilhelm, Frank K. |0 P:(DE-Juel1)184630 |b 3 |
| 700 | 1 | _ | |a Bagrets, Dmitry |0 P:(DE-Juel1)194613 |b 4 |
| 773 | _ | _ | |a 10.1103/wbp6-y3vd |g Vol. 112, no. 4, p. 042412 |0 PERI:(DE-600)2844156-4 |n 4 |p 042412 |t Physical review / A |v 112 |y 2025 |x 2469-9926 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1046964/files/wbp6-y3vd.pdf |y OpenAccess |
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