902 citations · 5.1k across the 63 of their papers we have counts for
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Non-Abelian Gauge Field Mechanics
Ivan Velkovsky, Carlos Camacho, Tomoki Ozawa +2
Non-Abelian gauge fields play a key role in describing the behavior of particles whose motion is coupled to internal degrees of freedom, such as their spin. Here, we experimentally…
Observation of chiral solitary waves in a nonlinear Aharonov-Bohm ring
Ivan Velkovsky, Anya Abraham, Enrico Martello +7
Nonlinearities can have a profound influence on the dynamics and equilibrium properties of discrete lattice systems. The simple case of two coupled modes with self-nonlinearities g…
Mechanical cosmology: simulating scalar fluctuations in expanding Universes using synthetic mechanical lattices
Brendan Rhyno, Ivan Velkovsky, Peter Adshead +2
Inspired by recent advances in observational astrophysics and continued explorations in the field of analog gravity, we discuss the prospect of simulating models of cosmology withi…
Manipulation of Weyl Points in Reciprocal and Nonreciprocal Mechanical Lattices
Mingsheng Tian, Ivan Velkovsky, Tao Chen +3
We introduce feedback-measurement technologies to achieve flexible control of Weyl points and conduct the first experimental demonstration of Weyl type I-II transition in mechanica…
Coexistence of stable and unstable population dynamics in a nonlinear non-Hermitian mechanical dimer
Enrico Martello, Yaashnaa Singhal, Bryce Gadway +2
Non-Hermitian two-site ``dimers'' serve as minimal models in which to explore the interplay of gain and loss in dynamical systems. In this paper, we experimentally and theoreticall…
Measuring the Adiabatic Non-Hermitian Berry Phase in Feedback-Coupled Oscillators
Yaashnaa Singhal, Enrico Martello, Shraddha Agrawal +3
The geometrical Berry phase is key to understanding the behaviour of quantum states under cyclic adiabatic evolution. When generalised to non-Hermitian systems with gain and loss,…
Synthetic Mechanical Lattices with Synthetic Interactions
Ritika Anandwade, Yaashnaa Singhal, Sai Naga Manoj Paladugu +8
Metamaterials based on mechanical elements have been developed over the past decade as a powerful platform for exploring analogs of electron transport in exotic regimes that are ha…