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<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Q</mml:mi></mml:math> -balls in polynomial potentials
Bosons carrying a conserved charge can form stable bound states if their Lagrangian contains attractive self-interactions. Bound-state configurations with a large charge $Q$ can be described classically and are denoted as $Q$-balls, their properties encoded in a nonlinear differential equation. Here, we study $Q$-balls in arbitrary polynomial single-scalar-field potentials both …