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Simulating the transverse Ising model on a quantum computer: Error... with the surface code ), Hao You (
Simulating the transverse Ising model on a quantum computer: Error... with the surface code ), Hao You (

Superconducting Circuits and Quantum Computation—T. P. Orlando
Superconducting Circuits and Quantum Computation—T. P. Orlando

... magnetic field is the circulating current, we see that these two classical states have opposite circulating currents. However, quantum mechanically, the charging energy couples these two states and results in an energy level repulsion at Φext = 0.5 Φ0, so that there the system is in a linear superpo ...
The Threshold for Fault-Tolerant Quantum Computation
The Threshold for Fault-Tolerant Quantum Computation

Information and Entropy in Neural Networks and Interacting Systems
Information and Entropy in Neural Networks and Interacting Systems

Short-Lived Lattice Quasiparticles for Strongly Interacting Fluids
Short-Lived Lattice Quasiparticles for Strongly Interacting Fluids

Single-Photon Bus between Spin-Wave Quantum Memories.
Single-Photon Bus between Spin-Wave Quantum Memories.

Scientific Report 2015 - 2016 - PCS
Scientific Report 2015 - 2016 - PCS

... since the high degree of symmetry, which is needed to support them, is easily destroyed by weak perturbations. However, this is the very reason which makes macroscopic degeneracies attractive. Nowadays manufacturing technologies can be expected to get close to realizing such symmetries - perhaps not ...
Randomness and Multi-level Interactions in Biology1
Randomness and Multi-level Interactions in Biology1

The Fermi-Hubbard model 11 The Hubbard model
The Fermi-Hubbard model 11 The Hubbard model

... can do second-order perturbation theory on Eq. (11.3) for small J/|U | and obtain an e↵ective model where there are only on-site dimers which hop from one site to the neighbouring one with the hopping energy of approximately J 2 /|U |. Therefore, the hopping goes to zero as |U | ! 1; in e↵ect, the d ...
Yang-Baxter sigma models based on the CYBE
Yang-Baxter sigma models based on the CYBE

... It is known that Yang-Baxter sigma models provide a systematic way to study integrable deformations of both principal chiral models and symmetric coset sigma models. In the original proposal and its subsequent development, the deformations have been characterized by classical r-matrices satisfying t ...
Lower bounds for quantum communication complexity
Lower bounds for quantum communication complexity

... In a quantum protocol (as defined by Yao [41]) two players Alice and Bob each receive an input, and have to compute some function defined on the pair of inputs cooperatively. To this end they exchange messages consisting of qubits, until the result can be produced from some measurement done by one o ...
Biosystems as Macroscopic Quantum Systems
Biosystems as Macroscopic Quantum Systems

Aspects of quantum information theory
Aspects of quantum information theory

Colloquium: Multiparticle quantum superpositions and the quantum
Colloquium: Multiparticle quantum superpositions and the quantum

QUANTUM MONTE CARLO SIMULATION OF TUNNELLING DEVICES USING WAVEPACKETS AND BOHM TRAJECTORIES
QUANTUM MONTE CARLO SIMULATION OF TUNNELLING DEVICES USING WAVEPACKETS AND BOHM TRAJECTORIES

Observations on Hyperplane: II. Dynamical Variables and
Observations on Hyperplane: II. Dynamical Variables and

Supercurrent through a multilevel quantum dot - FU Berlin
Supercurrent through a multilevel quantum dot - FU Berlin

Three Myths about Time Reversal in Quantum Theory
Three Myths about Time Reversal in Quantum Theory

... conjugation; they have fostered the third in arguing that it does not necessarily transform momentum and spin.3 However, these perspectives aside, I hope that the dissolution of these myths and the account of time reversal that I propose may be of independent interest. In place of the myths, I will ...
Certainty relations, mutual entanglement, and nondisplaceable
Certainty relations, mutual entanglement, and nondisplaceable

Quantum Error Correction (QEC) - ETH E
Quantum Error Correction (QEC) - ETH E

... so called universal gates or even from one single (e.g. NAND). This is not surprising, as the truth table of a classical gate has finite combinations of outputs. This is very important for hardware construction. If we are able to implement such a set of universal gates we can compute what ever we wa ...
Quantum Teleportation
Quantum Teleportation

arXiv:1312.4758v2 [quant-ph] 10 Apr 2014
arXiv:1312.4758v2 [quant-ph] 10 Apr 2014

Multiphoton population transfer between rovibrational states of HF: adiabatic
Multiphoton population transfer between rovibrational states of HF: adiabatic

Theory of fluctuations in a network of parallel superconducting wires
Theory of fluctuations in a network of parallel superconducting wires

... There has been considerable recent interest in thin wires that undergo transitions into an ordered state, such as superconducting or ferromagnetic. For example, experiments have suggested that single-walled carbon nanotubes (which have diameters of only about 4 Å) are superconducting with a transiti ...
Sample pages 2 PDF
Sample pages 2 PDF

... Rydberg state of interest, where the S states have the largest defects as they have a significant core penetration. The quantum defects are determined empirically from spectroscopic measurements and can be calculated using δnj = δ0 + ...
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Quantum group

In mathematics and theoretical physics, the term quantum group denotes various kinds of noncommutative algebra with additional structure. In general, a quantum group is some kind of Hopf algebra. There is no single, all-encompassing definition, but instead a family of broadly similar objects.The term ""quantum group"" first appeared in the theory of quantum integrable systems, which was then formalized by Vladimir Drinfeld and Michio Jimbo as a particular class of Hopf algebra. The same term is also used for other Hopf algebras that deform or are close to classical Lie groups or Lie algebras, such as a `bicrossproduct' class of quantum groups introduced by Shahn Majid a little after the work of Drinfeld and Jimbo.In Drinfeld's approach, quantum groups arise as Hopf algebras depending on an auxiliary parameter q or h, which become universal enveloping algebras of a certain Lie algebra, frequently semisimple or affine, when q = 1 or h = 0. Closely related are certain dual objects, also Hopf algebras and also called quantum groups, deforming the algebra of functions on the corresponding semisimple algebraic group or a compact Lie group.Just as groups often appear as symmetries, quantum groups act on many other mathematical objects and it has become fashionable to introduce the adjective quantum in such cases; for example there are quantum planes and quantum Grassmannians.
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