The interaction and reactivity of n-octane adsorbed on the (1×1) and (5×20) surfaces of Pt(100) have been examined by reflection-absorption infrared (RAIRS), temperature-programmed reaction (TPRS), andAuger electron (AES) spectroscopies andby low-energy electrondiffraction (LEED). A strongC-H‚‚‚M interaction between the adsorbate and the metal was present on both surfaces at 100 K, as evidenced...

The ultrafast vibrational-electronic relaxation upon excitation into the singlet (1)A(2u) (dσ*→pσ) excited state of the d(8)-d(8) binuclear complex [Pt(2)(P(2)O(5)H(2))(4)](4-) has been investigated in different solvents by femtosecond polychromatic fluorescence up-conversion and femtosecond broadband transient absorption (TA) spectroscopy. Both sets of data exhibit clear signatures of vibratio...

A theoretical framework is developed for scattering of scalar radiation from stationary, three-dimensional media with correlation functions potentials obeying $\mathcal{PT}$ symmetry. It illustrated that, unlike in deterministic $\mathcal{PT}$-symmetric media, its stationary generalization involves two mechanisms leading to symmetry breaking the statistics scattered radiation, one stemming comp...

We study creation of entanglement and quantum steering in a parity-time- (PT-) symmetric cavity magnomechanical system. There are photon–magnon coupling phonon–magnon this By introducing gain mode, PT-symmetric Hamiltonian the system is obtained. find that bipartite magnon?phonon PT-symmetry (gain–loss system) significantly enhanced versus case conventional (loss–loss system). Moreover, one-way...

Abstract Quantum systems governed by non-Hermitian Hamiltonians with PT symmetry are special in having real energy eigenvalues bounded below and unitary time evolution. We argue that may also be important present at the level of Hermitian quantum f...

A longstanding issue in the study of quantum chromodynamics (QCD) is its behavior at nonzero baryon density, which has implications for many areas physics. The path integral a complex integrand when quark chemical potential and therefore sign problem, but it also generalized $\mathcal PT$ symmetry. We review some new approaches to PT$-symmetric field theories, including both analytical techniqu...