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(Pseudo) Random Quantum States with Binary Phase [article]

Zvika Brakerski, Omri Shmueli
2019 arXiv   pre-print
We prove a quantum information-theoretic conjecture due to Ji, Liu and Song (CRYPTO 2018) which suggested that a uniform superposition with random binary phase is statistically indistinguishable from a  ...  Haar random state.  ...  We also thank Aram Harrow for providing advice regarding the state of the art.  ... 
arXiv:1906.10611v2 fatcat:idpzl4hmpjbwvivenxfvw6422a

QAOA pseudo-Boltzmann states [article]

Pablo Díez-Valle, Diego Porras, Juan José García-Ripoll
2022 arXiv   pre-print
In this letter, we provide analytical and numerical evidence that the single-layer Quantum Approximate Optimization Algorithm (QAOA) on universal Ising spin models produces thermal-like states with Gaussian  ...  We find that these pseudo-Boltzmann states can not be efficiently simulated on classical computers according to state-of-art techniques, and we relate this distribution to the optimization potential of  ...  Pseudo-Boltzmann states.  ... 
arXiv:2201.03358v2 fatcat:7wschr6ph5f27lrvrtxnxay6fy

A New Trend of Pseudo Random Number Generation using QKD

Omer K.JasimMohammad, Safia Abbas, El-Sayed M. El-Horbaty, Abdel-Badeeh M. Salem
2014 International Journal of Computer Applications  
This paper utilizes the QKD to generate a random quantum bit rely on BB84 protocol, using the NIST and DIEHARD randomness test algorithms to test and evaluate the randomness rates for key generation.  ...  The results show that the bits generated using QKD are truly random, which in turn, overcomes the distance limitation (associated with QKD) issue, its well-known challenges with the sending/ receiving  ...  [9] Propose a new coherent state QKD protocol that does away with the need to randomly switch between measurement bases.  ... 
doi:10.5120/16773-6344 fatcat:lv7waujofnbofkycx7v7usf2ue

Pseudo Nambu–Goldstone modes in neutron stars

Toru Kojo
2017 Physics Letters B  
Our model has the color-flavor-locked phase at high density, with the effective couplings as strong as in hadron physics.  ...  Gordon Baym for suggesting him to construct thermal equations of state. He also thanks Prof. Kenji Fukushima for several comments on NG modes in the CFL phase. References  ...  As a whole we have 8+1 NG modes which can be labelled by the same quantum numbers as in the vacuum, (π, K, η, η ). We will study these modes within the random phase approximation (RPA).  ... 
doi:10.1016/j.physletb.2017.03.023 fatcat:hzroehlwyba53esomzjqsktpua

Density and pseudo-spin rotons in a bilayer of soft-core bosons [article]

Fatemeh Pouresmaeeli, Saeed H. Abedinpour, B. Tanatar
2021 arXiv   pre-print
pseudo-spin-density wave instabilities in the system.  ...  Depending on the density of bosons in each layer and the spacing between two layers, the homogeneous superfluid phase becomes unstable in either (or both) of these two channels, leading to density and  ...  To overcome this problem, the Rydberg state could be mixed with the ground state [15] [16] [17] producing Rydberg-dressed atoms with much longer lifetimes.  ... 
arXiv:2112.05400v1 fatcat:uzr7tjnt6bgjjjfpojoz3yi4fe

Improving the pseudo-randomness properties of chaotic maps using deep-zoom

Jeaneth Machicao, Odemir M. Bruno
2017 Chaos  
The pseudo-random qualities of the proposed PRNG passed both tests successfully, i.e. DIEHARD and NIST, and were comparable with other traditional PRNGs such as the Mersenne Twister.  ...  Moreover, taking advantage of this randomization improvement, we propose a Pseudo-Random Number Generator (PRNG) based on the k-logistic map.  ...  Phase diagram Another way to visualize the pseudo-randomness properties of the k-logistic map is by means of the phase diagram, or Poincaré diagram, that maps the value of x k t+1 against x k t of a given  ... 
doi:10.1063/1.4983836 pmid:28576110 fatcat:3y2me7dokrdwhcbuecxoeoyexy

Temporal ghost imaging with pseudo-thermal speckle light

Fabrice Devaux, Kien Phan Huy, Séverine Denis, Eric Lantz, Paul-Antoine Moreau
2016 Journal of Optics  
We report ghost imaging of a single non-reproducible temporal signal in the range of tens kHz by using pseudo-thermal speckle light patterns and a single detector array with a million of pixels working  ...  The initial works used the quantum nature of entanglement of a two-photons state, where photons of a pair are spatially correlated, to detect temporal coincidences [6] .  ...  The first one is a random binary word of 24 bits generated at the frequency f pattern = 24 kHz with the GUI interface.  ... 
doi:10.1088/2040-8986/aa5328 fatcat:3ycjgqybqzgo5hekl36ywkpdxa

Quantum Hash function and its application to privacy amplification in quantum key distribution, pseudo-random number generation and image encryption

Yu-Guang Yang, Peng Xu, Rui Yang, Yi-Hua Zhou, Wei-Min Shi
2016 Scientific Reports  
Numerical simulations and performance comparisons show that quantum Hash function is eligible for privacy amplification in quantum key distribution, pseudo-random number generation and image encryption  ...  It is found that quantum Hash function can act as a hash function for the privacy amplification process of quantum key distribution systems with higher security.  ...  Security analyses of the QHF-based pseudo-random number generator (PRNG). QHF can also be used for pseudo-random number generation due to its inherent chaotic dynamics.  ... 
doi:10.1038/srep19788 pmid:26823196 pmcid:PMC4731770 fatcat:vr5j4horlrazvlu5xxowdynvua

PRaCto: Pseudo Random bit generator for Cryptographic application

2018 KSII Transactions on Internet and Information Systems  
The generated sequences are tested for randomness using NIST Statistical Test Suite and other testing methods. The result of the tests and analysis proves that the generated sequences are random.  ...  Chaotic map is being employed for increasing random behavior. The pseudorandom sequence generated can be used for cryptographic applications.  ...  Some of the properties a PRNG require are, first is pseudo randomness i.e. the output should appear random like, forward security requires that at any state in the generator the adversary cannot predict  ... 
doi:10.3837/tiis.2018.12.029 fatcat:ctojupvsengybekt6euidstvmi

Pseudo-spin–valley coupled edge states in a photonic topological insulator

Yuhao Kang, Xiang Ni, Xiaojun Cheng, Alexander B. Khanikaev, Azriel Z. Genack
2018 Nature Communications  
Here we observe a ballistic edge state whose spin-valley indices are locked to the direction of propagation along the interface between a valley photonic crystal and a metacrystal emulating the quantum  ...  Pseudo-spin and valley degrees of freedom (DOFs) engineered in photonic analogues of topological insulators (TI) provide potential approaches to optical encoding and robust signal transport.  ...  The eigenstates of the structure are then a mixture of TE and TM modes whose in-phase and out-ofphase combinations define pseudo-spin up and down states 36, 37 .  ... 
doi:10.1038/s41467-018-05408-w pmid:30072759 pmcid:PMC6072787 fatcat:b5hsya56ifclnigfztnwwy2veu

A Digital Image Confidentiality Scheme Based on Pseudo-Quantum Chaos and Lucas Sequence

Khushbu Khalid Butt, Guohui Li, Fawad Masood, Sajid Khan
2020 Entropy  
This work recommends an innovative quantum color image encryption method focused on the Lucas series-based substitution box to enhance the competence of encryption.  ...  The chaotic system, along with the substitution box, exhibits additional complicated dynamical behavior, sufficient arbitrariness, and uncertainty than all others focused on just chaotic models.  ...  Use the pseudo-random number to generate random integer arrays. 2. XOR each array with different Lucas series output. 3.  ... 
doi:10.3390/e22111276 pmid:33287044 fatcat:broqnupomrcwfldtlogb5tvaue

Event by Event analysis of Maximum Pseudo-rapidity Gap Fluctuation in High energy Nucleus-nucleus Collisions [article]

Swarnapratim Bhattacharyya, Maria Haiduc, Alina Tania Neagu, Elena Firu
2018 arXiv   pre-print
Experimental analysis has been compared with the results obtained from the analysis of events simulated by generating random numbers (MC-RAND events) and also by Ultra Relativistic Quantum Molecular Dynamics  ...  A study of Event by Event analysis of maximum Pseudo-rapidity Gap Fluctuation in heavy-ion collisions in terms of the scaled variance ω has been carried out for relativistic AA collisions with multiplicity  ...  Experimental analysis has been compared with the results obtained from the analysis of events simulated by 4 generating random numbers (MC-RAND events) and also by Ultra Relativistic Quantum Molecular  ... 
arXiv:1809.00443v1 fatcat:oa2tf46ry5ek7ex4rjji5x32z4

Pseudo-random number generators for Monte Carlo simulations on ATI Graphics Processing Units

Vadim Demchik
2011 Computer Physics Communications  
Basic uniform pseudo-random number generators are implemented on ATI Graphics Processing Units (GPU).  ...  The brief review of the pseudo-random number generators used in modern software packages for Monte Carlo simulations in high-energy physics is present.  ...  Acknowledgments Author thanks to Alexander Lukashenko for the inspiration of GPGPU-technology, Michael Bordag and Wolfhard Janke for the organization of the mini-workshop "Simulations on GPU", where the subject of pseudo-random  ... 
doi:10.1016/j.cpc.2010.12.008 fatcat:flek6goy2zbnblwfnslktjhfge

Numerical Analysis on Quantum Graphs Differential/Pseudo-Differential Operator: some Basic Structure

Mithleshwari Ghormare, Alok Kumar
2018 Journal of Advances and Scholarly Researches in Allied Education  
The graphs of intrigue are quantum graphs, i.e., metric graphs blessed with a differential operator following up on capacities characterized on the graph's edges with reasonable side conditions.  ...  They are regularly associated with systems that can change in size from little to colossal.  ...  ELAY advancement can be handled at various phases of circuit union, from abnormal state to design.  ... 
doi:10.29070/15/57892 fatcat:7mk357q3c5h4jozt4xhv2hwg54

Spin and Pseudo Spins in Theoretical Chemistry. A Unified View for Superposed and Entangled Quantum Systems

2003 Bulletin of the Korean Chemical Society (Print)  
Quantum effects are also discussed in the case of superconductivity, atom optics and quantum optics based on the pseudo spin Hamiltonian models.  ...  The coherent and squeezed states of spins, atoms and quantum field are discussed to obtain a unified picture for correlation, coherence and decoherence in future materials.  ...  Then the SC state is regarded as a phase coherent BE state with the fixed phase φ. The coherent state has accepted current interest in relation to quantum optics (see below).  ... 
doi:10.5012/bkcs.2003.24.6.864 fatcat:6ugkbnevnjbllmhwzfhjdytdwe
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