Quantum Mechanics
Levels of spacetime emergence in quantum gravity - Philsci-Archive
Oriti, Daniele (2018) <i>Levels of spacetime emergence in quantum gravity.</i> [Preprint]<p>Preview<p>Text<br>LevelsEmergenceQG.pdf <br>Download (177kB) | …
Philosophy of ScienceWhy the Universe Only Needs One Electron
According to renowned physicist Richard Feynman (recounted during his 1965 Nobel lecture)…<p>“I received a telephone call one day at the graduate …
Quantum PhysicsQuantum Computing For Computer Scientists
Quantum computing is coming, so a lot of people are trying to articulate why we want it and how it works. Most of the explanations are either …
Quantum ComputingQuantum information measures for restricted sets of observables
Author(s): Sudip Ghosh and Suvrat RajuWe study measures of quantum information when the space spanned by the set of accessible observables is not …
Quantum PhysicsQuantum corrections of work statistics in closed quantum systems
Author(s): Zhaoyu Fei, H. T. Quan, and Fei LiuWe investigate quantum corrections to the classical work characteristic function (CF) as a …
Quantum PhysicsUnitarity of loop diagrams for the ghostlike $1/(k^2-M_1^2)-1/(k^2-M_2^2)$ propagator
Author(s): Philip D. MannheimWith fourth-order derivative theories leading to propagators of the generic ghost-like $1/(k^2-M_1^2)-1/(k^2-M_2^2)$ …
Quantum PhysicsSeparability-entanglement classifier via machine learning
Author(s): Sirui Lu, Shilin Huang, Keren Li, Jun Li, Jianxin Chen, Dawei Lu, Zhengfeng Ji, Yi Shen, Duanlu Zhou, and Bei ZengThe problem of …
Machine LearningCapacity of a continuously distributed quantum network
Author(s): Xiang-Zhen Zhou, Xu-Tao Yu, and Zai-Chen ZhangThis paper investigates the capacity of a continuously distributed quantum network. A …
Quantum PhysicsFrom unextendible product bases to genuinely entangled subspaces
Author(s): Maciej Demianowicz and Remigiusz AugusiakUnextendible product bases (UPBs) are interesting mathematical objects arising in composite …
Quantum PhysicsSymplectic realization of electric charge in fields of monopole distributions
Author(s): Vladislav G. Kupriyanov and Richard J. SzaboWe construct a symplectic realisation of the twisted Poisson structure on the phase space of …
Quantum PhysicsQuantum measurements could power a tiny, hyperefficient engine
You can’t measure an atom without disturbing it, at least according to quantum mechanics. This effect may seem like a nuisance, but it could power a …
PhysicsExplaining the almost-real quantum science of Ant-Man and the Wasp
"Do you guys just put the word 'quantum' in front of everything?"<p>– Scott Lang, <i>Ant-Man</i> <i>and</i> <i>the Wasp</i><p>My first exposure to the word "quantum," like many …
EntertainmentPath integral approach to heat in quantum thermodynamics
Author(s): Ken Funo and H. T. QuanWe study the heat statistics of a quantum Brownian motion described by the Caldeira-Leggett model. By using the …
Quantum PhysicsQuantum phase space trajectories with application to quantum cosmology
Author(s): Przemysław Małkiewicz, Artur Miroszewski, and Hervé BergeronWe develop an approach to quantum dynamics based on quantum phase space …
Quantum PhysicsActivation of nonmonogamous multipartite quantum states
Author(s): Saptarshi Roy, Tamoghna Das, Asutosh Kumar, Aditi Sen(De), and Ujjwal SenThe monogamy relation for quantum correlations is not satisfied …
Quantum Physics'Ant-Man' science adviser explains the real-life physics behind the film
The quantum physicist says Superman may be powerful, but he wouldn't stand a chance against Ant-Man.<p>You may think that a movie about a superhero who can shrink down to the size of an ant doesn’t have much basis in reality, but according to Spyridon Michalakis, a quantum physicist at the California …
Quantum PhysicsHigh-fidelity quantum secret sharing prevents eavesdropping
Quantum secret-sharing scheme for noisy environments<p>To protect the confidentiality of a message during its transmission, people encrypt it. However, …
Quantum ComputingSecurity updates for Wednesday
Security updates have been issued by <b>Debian</b> (cups), <b>Oracle</b> (kernel and qemu-kvm), <b>Red Hat</b> (ansible, kernel, kernel-rt, and qemu-kvm), <b>Scientific Linux</b> …
Red HatIs this our first clue to a world beyond quantum theory?
NATURE gives rise to weird and wonderful things: dancing plants, sailing stones, flamingos. But no one, except perhaps on a hallucinogenic trip, has …
Quantum PhysicsRealistic Area-Law Bound on Entanglement from Exponentially Decaying Correlations
Abstract<p>A remarkable feature of typical ground states of strongly correlated many-body systems is that the entanglement entropy is not an extensive …
Quantum PhysicsCharacteristic length scales from entanglement dynamics in electric-field-driven tight-binding chains
Author(s): Devendra Singh Bhakuni and Auditya SharmaWe study entanglement dynamics in the nearest-neighbor fermionic chain that is subjected to both …
Quantum PhysicsQuantum Yang-Mills theory: An overview of a program
Author(s): Ashley Milsted and Tobias J. OsborneWe present an overview of a program to understand the low-energy physics of quantum Yang-Mills theory …
Quantum PhysicsFracton topological order from the Higgs and partial-confinement mechanisms of rank-two gauge theory
Author(s): Han Ma, Michael Hermele, and Xie ChenFractons are gapped pointlike excitations in d=3 topological ordered phases whose motion is …
MathematicsSubsystem symmetry protected topological order
Author(s): Yizhi You, Trithep Devakul, F. J. Burnell, and S. L. SondhiIn this work, we introduce a new type of topological order that is protected by …
MathematicsAvengers 4: Is The Quantum Realm The Key To Beating Thanos?
Let's face it: More than any act of heroism pulled off by Scott Lang or Hope Van Dyne, the real question about Ant-Man & The Wasp was always going to be how it relates back to Avengers: Infinity War. It's not that we don't love size-changing slapstick comedy and good natured family fun every now …
Marvel UniverseHow an infrastructure team starts using CI/CD
Most operations shops are well down the road to highly automated configuration and provisioning systems. Sometimes this transformation is part of a …
DevOpsWhat Does A Quantum Explosion Look Like?
No one knows–because neither the human eye or brain is equipped to see it. That’s where art comes in.<p>There’s an invisible world that operates all around us, but we can’t see it. It’s a world composed of particles smaller than an atom, like protons, neutrons, and electrons. The way in which it …
PhysicsThe Video Game Creating Quantum Physics Breakthroughs
It’s a new, incredibly powerful tool for quantum physics. And it’s tucked away inside the brains of video gamers.<p>A team of Danish physicists led by …
PhysicsPhotonic quantum technology for quantum computing, data protection and fundamental quantum science
The Quantum Information Science and Quantum Computation group at the University of Vienna, Austria, uses single quanta of light to explore …
Quantum Physics18-qubit entanglement sets new record
Physicists have experimentally demonstrated 18-qubit entanglement, which is the largest entangled state achieved so far with individual control of …
Quantum Physics