PQ

¹ American  

abbreviation

1. Quebec, Canada (approved for postal use).

---

p.q. ² American  

abbreviation

1. previous question.

---

P.Q. ³ American  

abbreviation

1. Province of Quebec.

---

PQ ¹ British  

abbreviation

1. (esp in postal addresses) Province of Quebec

2. Parti Québécois

---

pq ² British  

abbreviation

1. previous question

---

Example Sentences

The PQ symmetry addresses the strong CP problem, which asks why experiments fail to detect the tiny electric dipole moment that theory predicts for the neutron.

From Science Daily

In this model, the PQ symmetry is kept as a global symmetry rather than being "gauged," which protects the delicate axion physics needed to solve the strong-CP problem.

From Science Daily

The B-L flux tube provides a structure for the PQ superfluid vortex's Chern-Simons coupling to attach to.

From Science Daily

In solving this puzzle, the PQ symmetry introduces the axion, a hypothetical particle that is a leading candidate for dark matter.

From Science Daily

The breaking of the B-L symmetry produced strings that behave like magnetic flux tubes, while the PQ symmetry created superfluid vortices that carry no magnetic flux.

From Science Daily