- #1

- 85

- 2

## Homework Statement

show that the raising operator a

^{t}has no right eigenvectors

## Homework Equations

We know a

^{t}|n> = √(n+1)|n+1>

## The Attempt at a Solution

we define a vector |Ψ> = ∑c

_{n}|n> (for n=0 to ∞)

a

^{t}|Ψ>=a

^{t}∑c

_{n}|n>=∑c

_{n}(√n+1)|n+1>

But further I give up!