We challenge the view that there is a basic conflict between the fundamental principles of
Quantum Theory and General Relativity and, in particular, the fact that a superposition of …

The Einstein equivalence principle is based on the equality of gravitational and inertial
mass, which has led to the universality of a free-fall concept. The principle has been …

Universality of motion under gravity, the equivalence principle, is violated for quantum
particles. Here, we study the time it takes for a quantum particle to scatter from the …

The Einstein Equivalence Principle (EEP) is of crucial importance to test the foundations of
general relativity. When the particles involved in the test exhibit quantum properties, it is …

Atomic clock interferometers are a valuable tool to test the interface between quantum theory
and gravity, in particular via the measurement of gravitational time dilation in the quantum …

In a uniform gravitational field, classical test objects fall universally. Any reference object or
observer will fall in the same universal manner. Therefore, a uniform gravitational field …

In this paper, we take a closer and new look at the effects of tidal forces on the free fall of a
quantum particle inside a spherically symmetric gravitational field. We derive the …