The London Institute’s papers are the official record of our discoveries. They allow others to build on and apply our work. Each one is the result of many months of research, so we strive to make them clear, inspiring and beautiful, and publish them in leading journals.

Cohomological beta
Mathematical Physics

Cohomological beta

A new algebraic method shows beta functions arise when conformal symmetry breaks, reproducing Cardy’s formula without computing correlators.

OGOleksandr GamayunMGAL
ArXiv
Multicomponent transport
QUANTUM GASES

Multicomponent flow

Strong interactions reshape transport in one-dimensional quantum gases, with unusual temperature effects and anomalous current fluctuations.

OGOleksandr GamayunOPCM
ArXiv
32132131
Integrable Systems

Exact hard-rod dynamics

A canonical quantum fluid model is solved exactly, revealing universal correlation patterns governed by Gaussian random-matrix ensembles.

OGOleksandr GamayunMP
Physical Review Letters
Dynamical frustration in space-time metamaterials
Condensed matter theory

Dynamical frustration

A new metamaterial composed of oscillators driven by external pumping is used to study the unidirectional drift of stable phase dislocations.

OGOleksandr GamayunRMGNRFCCBA
Submitted
Statistical mechanics

On universal dynamics

Quantum many-body systems share patterns of dynamics that are exactly described by tridiagonal matrices based on continuous Hahn polynomials.

OGMMOLZR
Journal of High Energy Physics
Condensed matter theory

Nonreciprocal breather

Producing the first examples of breathing solitons in one-dimensional non-reciprocal media allows their propagation dynamics to be analysed.

OGMBJVFGHTJCCC
Physical Review X
Statistical mechanics

Fredholm meets Toeplitz

A new approach to the large distance asymptotic of the finite-temperature deformation is discussed for a sine-kernel Fredholm determinant.

OGYZ
Physica D: Nonlinear Phenomena
Quantum field theory

Peculiar betas tamed

Inconsistencies between two approaches to deriving beta functions in two-dimensional sigma models are resolved by adding heavy superpartners.

OGALMS
Physical Review D
Condensed matter theory

A kicked polaron

Modelling the final state of a mobile impurity particle immersed in a one-dimensional quantum fluid after the abrupt application of a force.

OGOL
SciPost Physics
Condensed matter theory

Counting free fermions

We link the statistical properties of one-dimensional systems of free fermions initialised in states of either half- or alternating-occupancy.

OG
ArXiv
Condensed matter theory

Strange kinks

A new non-linear mechanical metamaterial can sustain topological solitons, robust solitary waves that could have exciting applications.

OGJVXGASCMCC
Nature
Condensed matter theory

Spin-charge separation

A transformation for spin and charge degrees of freedom in one-dimensional lattice systems allows direct access to the dynamical correlations.

OGEQKBMZ
Physical Review A
Condensed matter theory

Mobile impurity

Explicit computation of injection and ejection impurity’s Green’s function reveals a generalisation of the Kubo-Martin-Schwinger relation.

OGMPFS
Physical Review Research
Quantum field theory

Peculiar betas

The beta function for a class of sigma models is not found to be geometric, but rather has an elegant form in the context of algebraic data.

OGALMS
Journal of High Energy Physics
Condensed matter theory

Spin diffusion

The spin-spin correlation function of the Hubbard model reveals that finite temperature spin transport in one spatial dimension is diffusive.

OGAHBPMZ
SciPost Physics