Effect of scalar condensation on fermionic pole-skipping by Banashree Baishya, Sayan Chakrabarti, Debaprasad Maity

“…Abstract In this paper, we investigated the holographic fermionic pole-skipping phenomena for a class of interacting theory in a charged AdS black hole background. We have studied two types of fermion-scalar interactions in the bulk: dipole and Yukawa type interaction. …”
Get full text

A Note on Holography and Phase Transitions by Marc Bellon, Enrique F. Moreno, Fidel A. Schaposnik

“…Focusing on the connection between the Landau theory of second-order phase transitions and the holographic approach to critical phenomena, we study diverse field theories in an anti de Sitter black hole background. Through simple analytical approximations, solutions to the equations of motion can be obtained in closed form which give rather good approximations of the results obtained using more involved numerical methods. …”
Get full text

Friends mechanism-based routing intrusion detection model for mobile ad hoc network by Yang XIAO, Lei BAI, Xian WANG

“…The proposed model mainly focused on how to effectively detect routing invasions from mobile ad hoc network as well as how to accurately respond to the malicious nodes,providing a trusted routing environment.A lightweight intrusion detection model was proposed to based on the friends mechanism,taking black hole attack for example,the OPNET software gives the simulation test,and results show that the schemes can effectively detect attacks,it is validated and compared with other conventional models.…”
Get full text

Analytical and Numerical Methods for Circumbinary Disk Dynamics. II. Inclined Disks by Michal Pirog, Siddharth Mahesh, Sean T. McWilliams

“…These findings have implications for understanding both the expected gravitational-wave signal and electromagnetic counterparts from supermassive black hole binaries.…”
Get full text

The Effects of Minimal Length in Entropic Force Approach by Barun Majumder

“…With Verlinde’s recent proposal which says that gravity can be identified with an entropic force and considering the effects of generalized uncertainty principle in the black hole entropy-area relation we derive the modified equations for Newton’s law of gravitation, modified Newtonian dynamics, and Einstein’s general relativity. …”
Get full text

Spontaneous Lorentz symmetry-breaking constraints in Kalb–Ramond gravity by Ednaldo L. B. Junior, José Tarciso S. S. Junior, Francisco S. N. Lobo, Manuel E. Rodrigues, Diego Rubiera-Garcia, Luís F. Dias da Silva, Henrique A. Vieira

“…Abstract In this work, we study timelike and lightlike geodesics in Kalb–Ramond (KR) gravity around a black hole with the goal of constraining the Lorentz symmetry-breaking parameter l. …”
Get full text

Thermodynamics of the substantial universe by V. Yu. Stetsenko

“…Therefore, the substantial Universe cannot disintegrate, losing its structure, cannot shrink to a point, cannot disappear into a black hole. The equilibrium substantial Universe exists forever, preserving its enthalpy, entropy, mass and temperature. …”
Get full text

Graviatoms with de Sitter Interior by Irina Dymnikova, Michael Fil’chenkov

“…It is a gravitationally bound quantum system consisting of a nucleus represented by a regular primordial black hole (RPBH), its remnant or gravitational vacuum soliton G-lump, and a charged particle. …”
Get full text

AGN Obscuration and the Unified Model by Stefano Bianchi, Roberto Maiolino, Guido Risaliti

“…In this paper, we review the various pieces of evidence for obscuring media on different scales, from the vicinity of the black hole to the host galaxy, in order to picture an updated unification scenario explaining the complex observed phenomenology. …”
Get full text

F(R) Gravity’s Rainbow and Its Einstein Counterpart by S. H. Hendi, B. Eslam Panah, S. Panahiyan, M. Momennia

“…In this paper, we introduce charged black hole solutions with power Maxwell invariant source in the context of gravity’s rainbow. …”
Get full text

La topographie légendaire des itinéraires de la navette by Xavière Lanéelle

“…The commuter, the train and the route have been the object of a myth to serve a commercial policy as well as a development of the served cities.But the legend settled down only because it is one of the anthropological foundations and because the myth allows to combine incompatible elements, here the combination of the requirements of contemporary modernity and a more traditional life of provincial rooting.One of the aspects of the myth is that the TGV is a sterile environment and the countryside it goes through, a "black hole". Is it really the case ? Social practices and memory reinvest places and sometimes invent them. …”
Get full text

Generalising Holographic Superconductors by Andrea Donini, Víctor Enguita-Vileta, Fabian Esser, Veronica Sanz

“…Using a semianalytical procedure to compute the superconductor properties, we are able to further generalise the geometric description of the hologram beyond the AdS-Schwarzschild Black Hole paradigm and propose a set of higher-dimensional metrics which exhibit the same universal behaviour. …”
Get full text

Weak Minimal Area in Entanglement Entropy by Shesansu Sekhar Pal, Shubhalaxmi Rath

“…The necessary condition for the weak minimality is checked via Legendre test and its sufficient nature via Jacobi test. We show for AdS black hole with a strip type entangling region that it is this minimality condition that makes the hypersurface unable to cross the horizon, which is in agreement with that studied earlier by Engelhardt et al. and Hubeny using a different approach. …”
Get full text

Modified Newton's Law of Gravitation due to Minimal Length in Quantum Gravity by Ahmed Farag Ali, A. Tawfik

“…In this work, we discuss the effects of generalized uncertainty principle (GUP) which is proposed by some approaches to quantum gravity such as string theory, black hole physics, and doubly special relativity theories (DSR), on the area law of the entropy. …”
Get full text

Nos « silences construits » : nommer la violence épistémique au fondement de la théorie queer by Camille Back

“…After exposing the epistemic violence of its “founding” texts, I will reinvest the metaphor of the “black hole” suggested by Evelynn Hammonds in “Black (W)holes and the Geometry of Black Female Sexuality” (1994) in order to take into consideration not only our “constructed silences”, but also our blank spots. …”
Get full text

The Cigar-Shaped Background Metric with Supersymmetry Approaches and Thermal Properties of System by Omid Jalili, Shahin Toni, Jafar Sadeghi

“…Such metric can be obtained by the Schwarzschild black hole. Here, we write the Dirac equation in the corresponding background. …”
Get full text

Why the Length of a Quantum String Cannot Be Lorentz Contracted by Antonio Aurilia, Euro Spallucci

“…In the latter case, we determine the critical boost that separates the ordinary “particle phase,” characterized by the Compton wavelength, from the “black hole phase,” characterized by the effective Schwarzschild radius of the colliding system.…”
Get full text

Field Equations and Radial Solutions in a Noncommutative Spherically Symmetric Geometry by Aref Yazdani

“…This new line element interestingly reaffirms the coherent state theory for a noncommutative Schwarzschild black hole. For the first time, we derive the Newtonian gravitational force equation in the commutative relativity framework, and this result could provide the possibility to investigate examples in various topics in quantum and ordinary theories of gravity.…”
Get full text

Circular Antenna Array Synthesis Using Multiverse Optimizer by Ahmet Emre Taser, Kerim Guney, Erhan Kurt

“…During the exploration, exploitation, and local search phases of calculation, MVO uses three concepts in cosmology; white hole, black hole, and wormhole. Convergence capability of this nature-inspired algorithm is employed for finding optimum amplitude and position values of CAA elements in order to achieve an array pattern with low maximum sidelobe level (MSL) and minimum circumference. …”
Get full text

Secure and high throughput routing protocol with QoS constraints in cognitive wireless Mesh networks by Zhu-fang KUANG, Zhi-gang CHEN, Guo-jun WANG, Hui LIU

“…A routing metric SIEB which includes link security，link conflict，link reliability and link available bandwidth was proposed.The SIEB includes link security and link performance two aspects.In order to resist various hole attack，the link trust value based on two hop neighbor feedback is computed in link security weight computing of SIEB.On this basis，a link security weight computing algorithm LSWC and a link performance weight computing algorithm LSPC were proposed，and a distributed routing protocol SIEBP with QoS constraints in cognitive wireless Mesh network was proposed.Finding safety routing path and maximizing the network throughput are the objective of SIEBP.Simulation results show that SIEBP routing protocol can achieve expectation goal.It can not only find safety routing path which can resist black hole attack，gray hole attack and worm hole attack，but also obtain a higher network throughput.…”
Get full text