66 citations · 433 across the 24 of their papers we have counts for
24 papers
U(1) quasi-hydrodynamics: Schwinger-Keldysh effective field theory and holography
Matteo Baggioli, Yanyan Bu, Vaios Ziogas
We study the quasi-hydrodynamics of a system with a softly broken global symmetry using effective field theory (EFT) and holographic methods. In the gravity side, we conside…
Non-Gaussianity from Schwinger-Keldysh Effective Field Theory
Shu Lin, Yanyan Bu, Chang Lei
We present a systematic treatment of non-Gaussianity in stochastic systems using the Schwinger-Keldysh effective field theory framework, in which the non-Gaussianity is realized as…
Nonlinear effective dynamics of Brownian particle in magnetized plasma
Yanyan Bu, Biye Zhang, Jingbo Zhang
An effective description is presented for a Brownian particle in a magnetized plasma. In order to systematically capture various corrections to linear Langevin equation, we constru…
Holographic Schwinger-Keldysh field theory of SU(2) diffusion
Yanyan Bu, Xiyang Sun, Biye Zhang
We construct effective field theory for SU(2) isospin charge diffusion, based on holographic Schwinger-Keldysh contour arXiv:2008.01269. The holographic model consists of a probe S…
Schwinger-Keldysh effective action for relativistic Brownian particle in AdS-CFT
Yanyan Bu, Biye Zhang
We compute Schwinger-Keldysh effective action for a relativistic heavy quark (with constant background velocity) in strongly coupled N = 4 supersymmetric Yang-Mills plasma. The hol…
Ginzburg-Landau effective action for a fluctuating holographic superconductor
Yanyan Bu, Mitsutoshi Fujita, Shu Lin
Under holographic prescription for Schwinger-Keldysh closed time contour for non-equilibrium system, we consider fluctuation effect of the order parameter in a holographic supercon…
All order effective action for charge diffusion from Schwinger-Keldysh holography
Yanyan Bu, Tuna Demircik, Michael Lublinsky
An effective action for diffusion of a conserved charge is derived to all orders in the derivative expansion within a holographic model dual to the Schwinger-Keldysh closed…
Magneto-vortical effect in strongly coupled plasma
Yanyan Bu, Shu Lin
Based on a holographic model incorporating both chiral anomaly and gravitational anomaly, we study the effect of magneto-vortical coupling on transport properties of a strongly cou…
Kibble-Zurek Scaling in a Holographic p-wave Superconductor
Yanyan Bu, Mitsutoshi Fujita, Shu Lin
We study the Kibble-Zurek mechanism in a 2d holographic p-wave superconductor model with a homogeneous source quench on the critical point. We derive, on general grounds, the scali…
Chiral transport in strong fields from holography
Yanyan Bu, Tuna Demircik, Michael Lublinsky
Anomaly-induced transport phenomena in presence of strong external electromagnetic fields are explored within a 4D field theory defined holographically as Max…
Gradient resummation for nonlinear chiral transport: an insight from holography
Yanyan Bu, Tuna Demircik, Michael Lublinsky
Nonlinear transport phenomena induced by chiral anomaly are explored within a 4D field theory defined holographically as Maxwell-Chern-Simons theory in Schwar…
Nonlinear chiral transport from holography
Yanyan Bu, Tuna Demircik, Michael Lublinsky
Nonlinear transport phenomena induced by the chiral anomaly are explored within a 4D field theory defined holographically as Maxwell-Chern-Simons theory in Sc…
Holographic Magnetized Chiral Density Wave
Yanyan Bu, Shu Lin
We explore the end point of the helical instability in finite density, finite magnetic field background discussed by Kharzeev and Yee [1]. The nonlinear solution is obtained and id…
Holographic Charged Fluid with Chiral Electric Separation Effect
Yanyan Bu, Rong-Gen Cai, Qing Yang +1
Hydrodynamics with both vector and axial currents is under study within a holographic model, consisting of canonical gauge fields in an asymptotically AdS…
Anomalous transport from holography: Part I
Yanyan Bu, Michael Lublinsky, Amir Sharon
We revisit the transport properties induced by the chiral anomaly in a charged plasma holographically dual to anomalous Maxwell theory in Schwarzschild-$AdS_5…
Anomalous transport from holography: Part II
Yanyan Bu, Michael Lublinsky, Amir Sharon
This is a second study of chiral anomaly induced transport within a holographic model consisting of anomalous Maxwell theory in Schwarzschild- spacetim…
current from the AdS/CFT: diffusion, conductivity and causality
Yanyan Bu, Michael Lublinsky, Amir Sharon
For a holographically defined finite temperature theory, we derive an off-shell constitutive relation for a global current driven by a weak external non-dynamical electromag…
Hydrodynamics dual to Einstein-Gauss-Bonnet gravity: all-order gradient resummation
Yanyan Bu, Michael Lublinsky, Amir Sharon
Relativistic hydrodynamics dual to Einstein-Gauss-Bonnet gravity in asymptotic space is under study. To linear order in the amplitude of the fluid velocity and tem…
Linearly resummed hydrodynamics in a weakly curved spacetime
Yanyan Bu, Michael Lublinsky
We extend our study of all-order linearly resummed hydrodynamics in a flat space~\cite{1406.7222,1409.3095} to fluids in weakly curved spaces. The underlying microscopic theory is…
Linearized fluid/gravity correspondence: from shear viscosity to all order hydrodynamics
Yanyan Bu, Michael Lublinsky
In ref. \cite{1406.7222}, we reported a construction of all order linearized fluid dynamics with strongly coupled super-Yang-Mills theory as underlying microscopic…
All Order Linearized Hydrodynamics from Fluid/Gravity Correspondence
Yanyan Bu, Michael Lublinsky
Using fluid/gravity correspondence, we determine the (linearized) stress energy tensor of super-Yang-Mills theory at strong coupling with all orders in derivatives…
Holographic superconductors with Lifshitz scaling
Yanyan Bu
We use gauge/gravity duality to explore strongly coupled superconductors with dynamical exponent . In the probe limit we numerically establish background solutions for the mat…
Magnetic field induced lattice ground states from holography
Yan-Yan Bu, Johanna Erdmenger, Jonathan P. Shock +1
We study the holographic field theory dual of a probe SU(2) Yang-Mills field in a background -dimensional asymptotically Anti-de Sitter space. We find a new ground state whe…
1+1-dimensional p-wave superconductors from intersecting D-branes
Yanyan Bu
In this work we explore 1+1 dimensional p-wave superconductors using the probe D-brane construction. Specifically, we choose three intersecting D-brane models: D1/D5, D2/D4 and D3/…