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Articles 31 - 34 of 34
Full-Text Articles in Physics
Quench Induced Vortex-Bright-Soliton Formation In Binary Bose-Einstein Condensates, K. Mukherjee, Simeon I. Mistakidis, P. G. Kevrekidis, P. Schmelcher
Quench Induced Vortex-Bright-Soliton Formation In Binary Bose-Einstein Condensates, K. Mukherjee, Simeon I. Mistakidis, P. G. Kevrekidis, P. Schmelcher
Physics Faculty Research & Creative Works
We Unravel The Spontaneous Generation Of Vortex-Bright-Soliton Structures In Binary Bose-Einstein Condensates With A Small Mass Imbalance Between The Species Confined In A Two-Dimensional Harmonic Trap Where One Of The Two Species Has Been Segmented Into Two Parts By A Potential Barrier. To Trigger The Dynamics The Potential Barrier Is Suddenly Removed And Subsequently The Segments Perform A Counterflow Dynamics. We Consider A Relative Phase Difference Of Π Between The Segments, While A Singly Quantized Vortex May Be Imprinted At The Center Of The Other Species. The Number Of Vortex Structures Developed Within The Segmented Species Following The Merging Of …
Pulse- And Continuously Driven Many-Body Quantum Dynamics Of Bosonic Impurities In A Bose-Einstein Condensate, K. Mukherjee, Simeon I. Mistakidis, S. Majumder, P. Schmelcher
Pulse- And Continuously Driven Many-Body Quantum Dynamics Of Bosonic Impurities In A Bose-Einstein Condensate, K. Mukherjee, Simeon I. Mistakidis, S. Majumder, P. Schmelcher
Physics Faculty Research & Creative Works
We Unravel The Periodically Driven Dynamics Of Two Repulsively Interacting Bosonic Impurities Within A Bosonic Bath Upon Considering Either The Impact Of A Finite Pulse Or Continuous Shaking Of The Impurities Harmonic Trap. Following A Pulse Driving Of Initially Miscible Components, We Reveal A Variety Of Dynamical Response Regimes Depending On The Driving Frequency. At Resonant Drivings, The Impurities Decouple From Their Host, While If Exposed To A High-Frequency Driving, They Remain Trapped In The Bosonic Gas. For Continuous Shaking, We Showcase That In The Resonantly Driven Regime The Impurities Oscillate Back And Forth Within And Outside The Bosonic Medium. …
Model Comparison From Ligo-Virgo Data On Gw170817'S Binary Components And Consequences For The Merger Remnant, B. P. Abbott, R. Abbott, Marco Cavaglia, For Full List Of Authors, See Publisher's Website.
Model Comparison From Ligo-Virgo Data On Gw170817'S Binary Components And Consequences For The Merger Remnant, B. P. Abbott, R. Abbott, Marco Cavaglia, For Full List Of Authors, See Publisher's Website.
Physics Faculty Research & Creative Works
GW170817 is the very first observation of gravitational waves originating from the coalescence of two compact objects in the mass range of neutron stars, accompanied by electromagnetic counterparts, and offers an opportunity to directly probe the internal structure of neutron stars. We perform Bayesian model selection on a wide range of theoretical predictions for the neutron star equation of state. For the binary neutron star hypothesis, we find that we cannot rule out the majority of theoretical models considered. In addition, the gravitational-wave data alone does not rule out the possibility that one or both objects were low-mass black holes. …
Entanglement-Assisted Tunneling Dynamics Of Impurities In A Double Well Immersed In A Bath Of Lattice Trapped Bosons, Friethjof Theel, Kevin Keiler, Simeon I. Mistakidis, Peter Schmelcher
Entanglement-Assisted Tunneling Dynamics Of Impurities In A Double Well Immersed In A Bath Of Lattice Trapped Bosons, Friethjof Theel, Kevin Keiler, Simeon I. Mistakidis, Peter Schmelcher
Physics Faculty Research & Creative Works
We Unravel The Correlated Tunneling Dynamics Of An Impurity Trapped In A Double Well And Interacting Repulsively With A Majority Species Of Lattice Trapped Bosons. Upon Quenching The Tilt Of The Double Well It Is Found That The Quench-Induced Tunneling Dynamics Depends Crucially On The Interspecies Interaction Strength And The Presence Of Entanglement Inherent In The System. In Particular, For Weak Couplings The Impurity Performs A Rather Irregular Tunneling Process In The Double Well. Increasing The Interspecies Coupling It Is Possible To Control The Response Of The Impurity Which Undergoes A Delayed Tunneling While The Majority Species Effectively Acts As …