PR Activities

Recent PR Activities related to QIFT.

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Format: 2024-09-17
Format: 2024-09-17
Format: 2024-09-17
2012-03-01
2012-03-01
2012-03-01

2012-03-01

2012-03-01

2012-03-01

2012-02-28

Evidence for elusive Majorana fermions raises possibilities for quantum computers. 

2012-02-27

Modern quantum theory predicts that the vacuum of space is not empty, but instead teeming with virtual particles flitting in and out of existence. While initially a curiosity, it was quickly realized that these vacuum fluctuations had measurable consequences, for instance producing the Lamb shift of atomic spectra and modifying the magnetic moment for the electron. This type of renormalization due to vacuum fluctuations is now central to our understanding of nature.

2012-02-27
2012-02-27
2012-02-27
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2012-02-27
2012-02-27
2012-02-27

2012-02-27

2012-02-27

2012-02-27

2012-02-27

2012-02-22
2012-02-22

2012-02-20

A topologically-protected qubit can be encoded using Majorana fermions in a trapped-ion chain. This
qubit is protected against major sources of decoherence, while local operations and measurements can
be easily realized. Furthermore, an efficient quantum interface and memory for arbitrary multiqubit
photonic states can be built, encoding them into a set of entangled Majorana-fermion (MF) qubits
inside cavities. 

2012-02-20

Macroscopic quantum dynamics of Josephson tunnel junctions is analogous to a motion of fictitious particle in an adiabatic Josephson potential. This analogy relies upon equilibrium state of quasiparticles, protected by a wide superconducting energy gap. In junctions containing low energy quasiparticles, the physical picture drastically differs due to a non-­‐adiabatic current component generated by quasiparticles driven far away from equilibrium by the Josephson oscillation.

2012-02-20

Tunable microwave resonators in superconducting circuits present ideal devices to implement and investigate parametric resonance phenomena. Josephson junctions incorporated in the resonator allow to tune the resonance frequency over a wide range owing to the junctions intrinsic nonlinearity, which can be designed at a desired strength. By the same means the resonator frequency can be modulated at a rate of the order of the resonance frequency itself. Furthermore, superconducting resonators can be operated in the quantum regime due to small internal losses.

2012-02-20
2012-02-20

2012-02-20

2012-02-20

2012-02-07
2012-02-07

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