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Two-photon lasing by a superconducting qubit
P. Neilinger, M. Rehak, M. Grajcar, G. Oelsner, U. Hubner, E. Il'ichev, Physical Review B 91, 104516 (2015)
Non-Markovian dynamics and steady-state entanglement of cavity arrays in finite-bandwidth squeezed reservoirs
S. Zippilli and F. Illuminati, Phys. Rev. A 89, 033803 (2014)
Multi-qubit gate with trapped ions for microwave and laser-based implementation
I. Cohen, S. Weidt, W.K. Hensinger and A. Retzker, New J. Phys. 17, 043008 (2015)
Ground-state cooling of a trapped ion using long-wavelength radiation
S. Weidt, J. Randall, S. C. Webster, E. D. Standing, A. Rodriguez, A. E. Webb, B. Lekitsch, W. K. Hensinger, arXiv:1501.01562 (2015)
Investigating the origin of time with trapped ions
S. Massar, Ph. Spindel, A. F. Varón, and Ch. Wunderlich, arXiv:1410.6683 (2014)
A trapped-ion based quantum byte with 10-5 next-neighbour cross-talk
Ch. Piltz, Th. Sriarunothai, A. F. Varón, and Ch. Wunderlich, Nature Commun. 5, 4679 (2014)
State selective detection of hyperfine qubits
S. Wölk, Ch. Piltz, Th. Sriarunothai, and Ch. Wunderlich, arXiv:1406.5821 (2014)
Tomography by noise
G. Harder, D. Mogilevtsev, N. Korolkova, Ch. Silberhorn, Phys. Rev. Lett. 113, 070403 (2014)
Nonlinear dissipation can combat linear loss
D. Mogilevtsev, A. Mikhalychev, V. S. Shchesnovich, and N. Korolkova, Phys. Rev. A 87, 063847 (2013)
Quantum tight-binding chains with dissipative coupling
D. Mogilevtsev, G. Slepyan, E. Garusov, N. Korolkova, New J. Phys. 17, 043065 (2015)
Implementation of a quantum metamaterial using superconducting qubits
P. Macha, G. Oelsner, J.-M. Reiner, M. Marthaler, S. Andre´, G. Schon, U. Hubner, H.-G. Meyer, E. Il'ichev and A. V. Ustinov, Nature Commun. 5: 5146 (2014)
Resonance at the Rabi frequency in a superconducting flux qubit
Ya. S. Greenberg, E. Il'ichev, G. Oelsner and S. N. Shevchenko, AIP Conf. Proc. 1619, 89 (2014)
How to test the "quantumness" of a quantum computer?
A. M. Zagoskin, E. Il'ichev, M. Grajcar, J. J. Betouras and F. Nori, Front. Physics 2, 33 (2014)
A compact, multichannel, and low noise arbitrary waveform generator
S. Govorkov, B. I. Ivanov, E. Il'ichev, and H.-G. Meyer, Rev. Sci. Instrum. 85, 054702 (2014)
Electromagnetically induced transparency and Autler-Townes splitting in superconducting flux quantum circuits
Hui-Chen Sun, Yu-xi Liu, Hou Ian, J.Q. You, E. Il'ichev, and Franco Nori, Phys. Rev. A 89, 063822 (2014)
Broadband sample holder for microwave spectroscopy of superconducting qubits
A. S. Averkin, A. Karpov, K. Shulga, E. Glushkov, N. Abramov, U. Huebner, E. Il'ichev, and A. V. Ustinov, Rev. Sci. Instrum. 85, 104702 (2014)
Superconducting MoC thin films with enhanced sheet resistance
M. Trgala, M. Žemlička, P. Neilinger, M. Rehák, M. Leporis, Š. Gaži, J. Greguš, T. Plecenik, T. Roch, E. Dobročka, M. Grajcar, Appl. Surf. Sci. 312, 216 (2014)
Superconducting properties of magnesium diboride thin film measured by using coplanar waveguide resonator
M. Žemlička, P. Neilinger, M. Trgala, M. Gregor, T. Plecenik, P. Ďurina, M. Grajcar, Appl. Surf. Sci. 312, 231 (2014)
Amplification and attenuation of a probe signal by doubly dressed states
S. N. Shevchenko, G. Oelsner, Ya. S. Greenberg, P. Macha, D. S. Karpov, M. Grajcar, U. Hübner, A. N. Omelyanchouk, and E. Il'ichev, Phys. Rev. B 89, 184504 (2014)
Parametric amplification by coupled flux qubits
M. Rehák, P. Neilinger, M. Grajcar, G. Oelsner, U. Hübner, E. Il'ichev and H.-G. Meyer, Appl. Phys. Lett. 104, 162604 (2014)
Collective Modes in the Cooperative Jahn-Teller Model: Path Integral Approach
P. A. Ivanov, arXiv:1410.4016 (2014)
High-fidelity error-resilient composite phase gates
B. T. Torosov and N. V. Vitanov, Phys. Rev. A 90, 012341 (2014)
Quantum simulation of superexchange magnetism in linear ion crystals
P. A. Ivanov, N. I. Karchev, N. V. Vitanov and D. G. Angelakis, Phys. Rev. A 90, 012325 (2014)
Exactly solvable two-state quantum model for a pulse of hyperbolic-tangent shape
L. S. Simeonov and N. V. Vitanov, Phys. Rev. A 89, 043411 (2014)
Highly efficient broadband polarization retarders and tunable polarization filters made of composite stacks of ordinary wave plates
E. S. Dimova, S. S. Ivanov, G. S. Popkirov and N. V. Vitanov, J. Opt. Soc. Am. A 31, 952-6 (2014)
Speeding up conditional quantum logic of trapped ion qubits with ovelapping pulses
L. S. Simeonov, P. A. Ivanov and N. V. Vitanov, Phys. Rev. A 89, 012304 (2014)
Arbitrarily accurate passband composite pulses for dynamical suppression of amplitude noise
E. Kyoseva and N. V. Vitanov, Phys. Rev. A 88, 063410 (2013)
Classical nature of ordered phases: origin of spontaneous symmetry breaking
M. Cianciaruso, L. Ferro, S. M. Giampaolo and F. Illuminati, arXiv:1408.1412 (2014)
Device-independent quantum reading and noise-assisted quantum transmitters
W. Roga, D. Buono and F. Illuminati, New J. Phys. 17, 013031 (2015)
Discord of response
W. Roga, S. M. Giampaolo, and F. Illuminati, J. Phys. A: Math. Theor. 47, 365301 (2014)
A field-theoretical approach to entanglement in neutrino mixing and oscillations
M. Blasone, F. Dell'Anno, S. De Siena, F. Illuminati, Europhys.Lett. 106, 30002 (2014)
Stationary entanglement of photons and atoms in a high-finesse resonator
H. Habibian, S. Zippilli, F. Illuminati and G. Morigi, Phys. Rev. A 89, 023832 (2014)
Simulating long-distance entanglement in quantum spin chains by superconducting flux qubits
S. Zippilli, M. Grajcar, E. Il'ichev and F. Illuminati, Phys. Rev. A 91, 022315 (2015)
Fabrication and operation of a two-dimensional ion-trap lattice on a high-voltage microchip
R. C. Sterling, H. Rattanasonti, S. Weidt, K. Lake, P. Srinivasan, S. C. Webster, M. Kraft & W. K. Hensinger, Nature Communications 5:3637 doi: 10.1038/ncomms4637 (2014)
Efficient preparation and detection of microwave dressed-state qubits and qutrits with trapped ions
J. Randall, S. Weidt, E. D. Standing, K. Lake, S. C. Webster, D. F. Murgia, T. Navickas, K. Roth, and W. K. Hensinger, Phys. Rev. A 91, 012322 (2015)
Generation of spin-motion entanglement in a trapped ion using long-wavelength radiation
K. Lake, S. Weidt, J. Randall, E. Standing, S. C. Webster, W. K. Hensinger, Phys. Rev. A 91, 012319 (2015)
Multi-frequency modes in superconducting resonators: Bridging frequency gaps in off-resonant couplings
Christian Kraglund Andersen and Klaus Molmer, submitted for publication, Phys. Rev. A 91, 023828 (2015)
Circuit QED flip-flop memory with all-microwave switching
Christian Kraglund Andersen and Klaus Molmer, submitted for publication, Phys. Rev. Applied 3, 024002 (2015)
A planar ion trap chip with integrated structures for an adjustable magnetic field gradient
P. J. Kunert, D. Georgen, L. Bogunia, T. M. Baig, M. A. Baggash, M. Johanning, Ch. Wunderlich, Appl. Phys. B 114, 27 (2014)
Entanglement in Quantum Field Theory: particle mixing and oscillations
M. Blasone, F. Dell' Anno, S. De Siena and F. Illuminati, J. Phys.: Conf. Ser. 442, 012070 (2013)
Surface entanglement in quantum spin networks
Stefano Zippilli, Salvatore Marco Giampaolo, and Fabrizio Illuminati, Phys. Rev. A 87, 042304 (2013)
Frustration, entanglement, and correlations in quantum many-body systems
U. Marzolino, S. M. Giampaolo, and F. Illuminati, Phys. Rev. A 88, 020301 (2013)
Entanglement amplification in the nonperturbative dynamics of modular quantum systems
A. Bayat, S. M. Giampaolo, F. Illuminati, and M. B. Plenio, Phys. Rev. A 88, 022319 (2013)
Universal aspects in the behavior of the entanglement spectrum in one dimension: Scaling transition at the factorization point and ordered entangled structures
S.M. Giampaolo, S. Montangero, F. Dell'Anno, S. De Siena and F. Illuminati, Phys. Rev. B 88, 125142 (2013)
Tunable non-Gaussian resources for continuous-variable quantum technologies
F. Dell'Anno, D. Buono, G. Nocerino, A. Porzio, S. Solimeno, S. De Siena, and F. Illuminati, Phys. Rev. A 88, 043818 (2013)
Theory of warm ionized gases: Equation of state and kinetic Schottky anomaly
A. Capolupo, S. M. Giampaolo, and F. Illuminati, Phys. Rev. E 88, 042132 (2013)
Reconciliation witness and reliabilility of quantum atmospheric channel
D. Vasylyev, F. Rozpedek, N. Korolkova, Phys. Scr. 2013, 014061 (2013)
Effective description of tunneling in a time-dependent potential with applications to voltage switching in Josephson junctions
Christian Kraglund Andersen and Klaus Mølmer, Phys. Rev. A 87, 052119 (2013)
Fundamental limitations in spin-ensemble quantum memories for cavity fields
Brian Julsgaard and Klaus Mølmer, Phys. Rev. A 88, 062324 (2013)
A scalable, fast and multichannel arbitrary waveform generator
M. T. Baig, M. Johanning, A. Wiese, S. Heidbrink, M. Ziolkowski, Ch. Wunderlich, Rev. Sci. Instrum. 84, 124701 (2013)
Periodic response of superconducting high quality MgB2 resonator to magnetic field
P. Neilinger, In: Proc. 19th Inter. Conf. on Applied Phys. of Cond. Matter, ISBN 978-80-227-3956-6
Parametric amplification using nonlinearity of a qubit
M. Rehak, In: Proc. 18th Inter. Conf. on Applied Phys. of Cond. Matter, ISBN 978-80-227-3720-3
Narrow bandpass cryogenic filter for microwave measurements
B. I. Ivanov, E. Il'ichev, H.-G. Meyer, Rev. Sci. Instrum. 84, 054707 (2013)
Underdamped Josephson junction as a switching current detector
G. Oelsner, E. Il'ichev, H.-G. Meyer, Appl. Phys. Lett. 103, 142605 (2013)
Spatially resolved single photon detection with a quantum sensor array
A. M. Zagoskin, R. D. Wilson, M. Everitt, S. Savel'ev, D. R. Gulevich, J. Allen, V. K. Dubrovich
& E. Il'ichev, Sci. Rep. 3, 3464 (2013)
Dissociation and annihilation of multipartite entanglement structure in dissipative quantum dynamics
Sergey N. Filippov, Alexey A. Melnikov, and M´ario Ziman, Phys. Rev. A 88, 062328 (2013)
Quantized resonator field coupled to a current-biased Josephson junction in circuit QED
Christian Kraglund Andersen, Gregor Oelsner, Evgeni Il'ichev, Klaus Mølmer, Phys. Rev. A 89, 033853 (2014), (arXiv:1312.5863v1 (2013))
Fidelity of Fock-state-encoded qubits subjected to continuous variable Gaussian processes
Brian Julsgaard, Klaus Mølmer, Phys. Rev. A 89, 012333 (2014), ( arXiv:1312.3655v1 (2013))
Adiabatic quantum simulation with a segmented ion trap: Application to long-distance entanglement in quantum spin systems
S. Zippilli, M. Johanning, S. M. Giampaolo, Ch. Wunderlich, F. Illuminati; Phys. Rev. A 89, 042308 (2014) (arXiv:1304.0261v1 (2013))
Two-dimensional ion trap lattice on a microchip for quantum simulation
R. C. Sterling, H. Rattanasonti, S. Weidt, K. Lake, P. Srinivasan, S. C. Webster, M. Kraft, W. K. Hensinger; arXiv:1302.3781v3 (2013)
An effective tunneling description of voltage switching in Josephson Junctions driven by time varying fields
Christian Kraglund Andersen, Klaus Mølmer; arXiv:1303.5644v1 (2013)
Simple Manipulation of a Microwave Dressed-State Ion Qubit
S. C. Webster, S. Weidt, K. Lake, J. J. McLoughlin, W. K. Hensinger; Phys. Rev. Lett. 111, 140501 (2013) (arXiv:1303.3798v2 (2013))
Creation of arbitrary Dicke and NOON states of trapped-ion qubits by global addressing with composite pulses
S. S. Ivanov, N. V. Vitanov and N. V. Korolkova; New J. Phys. 15, 023039 (2013)
Dressed-State Amplification by a Single Superconducting Qubit
G. Oelsner, P. Macha, O. V. Astafiev, E. Il'ichev, M. Grajcar, U. Hübner, B. I. Ivanov, P. Neilinger, and H.-G. Meyer; Phys. Rev. Lett. 110, 053602 (2013)
Entanglement Replication in Driven Dissipative Many-Body systems
S. Zippilli, M. Paternostro, G. Adesso, and F. Illuminati; Phys. Rev. Lett. 110, 040503 (2013)
Quantifying nonclassicality: Global impact of local unitary evolutions
S. M. Giampaolo, A. Streltsov, W. Roga, D. Bruß, and F. Illuminati; Phys. Rev. A 87, 012313 (2013)
Quantum memory for microwave photons in an inhomogeneously broadened spin ensemble
Brian Julsgaard, Cécile Grezes, Patrice Bertet, Klaus Mølmer; Phys. Rev. Lett. 110, 250503 (2013), (arXiv: 1301.1500v1 (2013))
Dynamical evolution of an inverted spin ensemble in a cavity: Inhomogeneous broadening as a stabilizing mechanism
Brian Julsgaard and Klaus Mølmer; Phys. Rev. A 86, 063810 (2012)
Cryogenic low noise 2.2–3 GHz amplifier
P. Neilinger, M. Trgala, M. Grajcar; Cryogenics 52, 362–365 (2012)
Protecting conditional quantum gates by robust dynamical decoupling
Ch. Piltz, B. Scharfenberger, A. Khromova, A. F. Varón, and Ch. Wunderlich; arXiv:1208.2204v2 (2012)
Optimization of two-dimensional ion trap arrays for quantum simulation
James D Siverns, Seb Weidt, Kim Lake, Bjoern Lekitsch, Marcus D Hughes and Winfried K Hensinger; New J. Phys. 14, 085009 (2012)
Increased surface flashover voltage in microfabricated devices
R. C. Sterling, M. D. Hughes, C. J. Mellor, W. K. Hensinger; Appl. Phys. Lett. 103, 143504 (2013) (arXiv:1208.5672v1 (2012))
Simulation of Jahn-Teller-Dicke Magnetic Structural Phase Transition with Trapped Ions
Peter A. Ivanov, Diego Porras, Svetoslav S. Ivanov, Ferdinand Schmidt-Kaler; arXiv:1207.0452v1 (2012)
Time-efficient implementation of quantum search with qudits
S. S. Ivanov, H. S. Tonchev, and N. V. Vitanov; Phys. Rev. A 85, 062321 (2012)
Heat cost of parametric generation of microwave squeezed states
M. Zagoskin, E. Il'ichev, and Franco Nori; Phys. Rev. A 85, 063811 (2012)
Thick-film technology for ultra high vacuum interfaces of micro-structured traps
D. Kaufmann, T. Collath, M. T. Baig, P. Kaufmann, E. Asenwar, M. Johanning, C. Wunderlich; Applied Physics B 107, 935-943 (2012)
On the application of radio frequency voltages to ion traps via helical resonators
J. D. Siverns, L. R. Simkins, S. Weidt, W. K. Hensinger; Applied Physics B 107, 921-934 (2012)
Designer Spin Pseudomolecule Implemented with Trapped Ions in a Magnetic Gradient
A. Khromova, Ch. Piltz, B. Scharfenberger, T. F. Gloger, M. Johanning, A. F. Varón, and Ch. Wunderlich; Phys. Rev. Lett. 108, 220502 (2012)
Multiphoton transitions in Josephson-junction qubits
S. N. Shevchenko, A. N. Omelyanchouk, and E. Il'ichev; Low Temp. Phys. 38, 283 (2012)
Measurement-induced two-qubit entanglement in a bad cavity: Fundamental and practical considerations
Optimum electrode configurations for fast ion separation in microfabricated surface ion traps
H. Nizamani, W. K. Hensinger; Applied Physics B 106, 327-338 (2012)
Reflectivity and transmissivity of a cavity coupled to two-level systems: Coherence properties and the influence of phase decay
B. Julsgaard and K. Mølmer; Phys. Rev. A 85, 013844 (2012)
Characterizing and Quantifying Frustration in Quantum Many-Body Systems
S. M. Giampaolo, G. Gualdi, A. Monras, and F. Illuminati; Phys. Rev. Lett. 107, 260602 (2011)
Localization of Bose-Einstein condensates in optical lattices
Roberto Franzosi, Salvatore M. Giampaolo, Fabrizio Illuminati, Roberto Livi, Gian-Luca Oppo, Antonio Politi; Cent. Eur. J. Phys. 9(5) 1248-1254 (2011)
Cryogenic ultra-low-noise SiGe transistor amplifier
B. I. Ivanov, M. Trgala, M. Grajcar, E. Il'ichev, and H.-G. Meyer; Rev. Sci. Instrum. 82, 104705 (2011)
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