As a continuation from my last question, http://judaism.stackexchange.com/questions/53781/would-looking-away-help-a-cohen-stay-married-to-his-wife, would a raped woman be allowed to live with her husband?

Divorcing would be very hard and sad for them and extremely disturbing for any children involved.

Would there be room to allow them to live together but not to have relations?  
Can anyone quote a source on this?