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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum Error Correction: Fault-tolerance and Universality
量子纠错 容错性 通用性
2023/4/17
There is a big gap between the so-called NISQ (noisy intermediate-scale quantum) and FTQ (fault-tolerant quantum) computing. Recently, we introduced QEQ (quasi-exact quantum) computing, which lies in ...
High-precision measurement of the thermal exponent for the three-dimensional XY universality class
Accuracy of measurement measurement superfluids lipase
2014/12/20
Simulation results are reported for the critical point of the two-component ϕ4 field theory. The correlation-length exponent is measured to high precision with the result ν=0.6717(3). This value ...
Scaling and universality in two dimensions: three-body bound states with short-ranged interactions
two dimensions three-body bound states short-ranged interactions Quantum Gases
2011/10/8
Abstract: The momentum space zero-range model is used to investigate universal properties of three interacting particles confined to two dimensions. The pertinent equations are first formulated for a ...
Universality of local spectral statistics of random matrices
Random matrix Local semicircle law Tracy-Widom distribution Dyson Brownian motion
2011/7/28
Abstract: The Wigner-Gaudin-Mehta-Dyson conjecture asserts that the local eigenvalue statistics of large random matrices exhibit universal behavior depending only on the symmetry class of the matrix e...
Quadratic Dynamical Decoupling: Universality Proof and Error Analysis
Quadratic Dynamical Decoupling Universality Proof Error Analysis
2011/9/13
We prove the universality of the generalized QDDN1N2 (quadratic dynamical decoupling) pulse sequence for near-optimal suppression of general single-qubit decoherence. Earlier work showed numerically t...
Quadratic Dynamical Decoupling: Universality Proof and Error Analysis
Quadratic Dynamical Decoupling Universality Proof Error Analysis Quantum Physics
2011/7/27
Quadratic Dynamical Decoupling: Universality Proof and Error Analysis.
The Kardar-Parisi-Zhang equation and universality class
The Kardar-Parisi-Zhang equation universality class Disordered Systems and Neural Networks
2011/7/27
Abstract: Brownian motion is a continuum scaling limit for a wide class of random processes, and there has been great success in developing a theory for its properties (such as distribution functions ...
Universality of spectra for interacting quantum chaotic systems
quantum chaotic systems quantum measurements strong decoherence
2010/4/6
We analyze a model quantum dynamical system subjected to periodic interaction with an environment, which can describe quantum measurements. Under the condition of strong classical chaos and strong dec...
Universality Class in Abelian Sandpile Models with Stochastic Toppling Rules
self-organized criticality sandpile model universality class
2007/8/15
2005Vol.44No.3pp.483-486DOI:
Universality Class in Abelian Sandpile Models with Stochastic Toppling Rules
PAN Gui-Jun,1,2 ZHANG Duan-Ming,1 SUN Hong-Zhang,1
and YIN Yan-Ping1
...