ECT* - Q@TN SEMINAR

The Fermion Sign Problem poses a significant challenge in computational quantum many-body physics, hindering the application of Quantum Monte Carlo methods to Fermionic systems. This issue is due to the antisymmetric nature of Fermionic wavefunctions, which results in an exponential decay of the signal-to-noise ratio as system size and inverse temperature increase, leading to numerical instabilities in large-scale simulations.

Quantum computing is a constantly evolving research field, and the rapid progress in hardware development is opening new possibilities and offering new challenges.

Nuclear and high energy physics facilities, such as CERN, Jefferson Lab, RHIC, and the forthcoming EIC, have been built around the world to study the visible universe at the fermi scale. They are already producing exabytes of data. This unprecedented amount of data holds the promise of solving many of the mysteries in QCD in the nonperturbative regime. However, extracting the required information is an extremely challenging task, as there is no available analytic solution for QCD to interpret data.

The synthesis of heavy elements occurs through complex reactions in unstable nuclei in exotic astrophysical environments. Understanding this requires precise knowledge of the nuclei involved, which are often experimentally inaccessible and thus need to be studied theoretically.